<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2021v4.2">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2023-05-15T16:22:49-05:00</ReturnTs>
    <TaxPeriodEndDt>2022-06-30</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>410746749</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>CLIFTONLARSONALLEN LLP</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>300 CROWN COLONY DRIVE SUITE 310</AddressLine1Txt>
        <CityNm>QUINCY</CityNm>
        <StateAbbreviationCd>MA</StateAbbreviationCd>
        <ZIPCd>02169</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2021-07-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>042108374</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>MASSACHUSETTS HISTORICAL SOCIETY</BusinessNameLine1Txt>
      </BusinessName>
      <BusinessNameControlTxt>MASS</BusinessNameControlTxt>
      <PhoneNum>6175361608</PhoneNum>
      <USAddress>
        <AddressLine1Txt>1154 BOYLSTON STREET</AddressLine1Txt>
        <CityNm>BOSTON</CityNm>
        <StateAbbreviationCd>MA</StateAbbreviationCd>
        <ZIPCd>02215</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>CATHERINE ALLGOR</PersonNm>
      <PersonTitleTxt>PRESIDENT</PersonTitleTxt>
      <PhoneNum>6175361608</PhoneNum>
      <SignatureDt>2023-05-15</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <SigningOfficerGrp>
      <PersonFullName>
        <PersonFirstNm>CATHERINE</PersonFirstNm>
        <PersonLastNm>ALLGOR</PersonLastNm>
      </PersonFullName>
      <SSN>999009999</SSN>
    </SigningOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>DANIELLE NIHILL</PreparerPersonNm>
      <PTIN>P01350943</PTIN>
      <PhoneNum>6179848100</PhoneNum>
    </PreparerPersonGrp>
    <AdditionalFilerInformation>
      <TrustedCustomerGrp>
        <TrustedCustomerCd>3</TrustedCustomerCd>
        <AuthenticationAssuranceLevelCd>AAL1</AuthenticationAssuranceLevelCd>
        <IdentityAssuranceLevelCd>IAL1</IdentityAssuranceLevelCd>
      </TrustedCustomerGrp>
    </AdditionalFilerInformation>
    <TaxYr>2021</TaxYr>
    <BuildTS>2023-04-26 12:10:37Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="10">
    <IRS990 documentId="RetDoc1038000001" referenceDocumentId="RetDoc1044400001">
      <PrincipalOfficerNm>CATHERINE ALLGOR</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>1154 BOYLSTON STREET</AddressLine1Txt>
        <CityNm>BOSTON</CityNm>
        <StateAbbreviationCd>MA</StateAbbreviationCd>
        <ZIPCd>02215</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>15937610</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>0</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>WWW.MASSHIST.ORG</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>1791</FormationYr>
      <LegalDomicileStateCd>MA</LegalDomicileStateCd>
      <ActivityOrMissionDesc>THE MHS SEEKS TO MAKE AMERICAN HISTORY RELEVANT AND ACCESSIBLE TO ANYONE.</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>25</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>25</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>70</TotalEmployeeCnt>
      <TotalVolunteersCnt>161</TotalVolunteersCnt>
      <TotalGrossUBIAmt>901743</TotalGrossUBIAmt>
      <NetUnrelatedBusTxblIncmAmt>166722</NetUnrelatedBusTxblIncmAmt>
      <PYContributionsGrantsAmt>3770174</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>2135548</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>114718</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>161800</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>9574395</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>7198030</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>49535</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>38031</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>13508822</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>9533409</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>71063</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>177913</CYGrantsAndSimilarPaidAmt>
      <PYBenefitsPaidToMembersAmt>0</PYBenefitsPaidToMembersAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>4819162</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>5030422</CYSalariesCompEmpBnftPaidAmt>
      <PYTotalProfFndrsngExpnsAmt>0</PYTotalProfFndrsngExpnsAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>1027955</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>3012422</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>3435242</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>7902647</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>8643577</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>5606175</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>889832</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>153195244</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>141808297</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>2373483</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>2247858</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>150821761</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>139560439</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <MissionDesc>TO PROMOTE UNDERSTANDING OF THE HISTORY OF MASSACHUSETTS AND THE NATION BY COLLECTING AND COMMUNICATING MATERIALS AND RESOURCES THAT FOSTER HISTORICAL KNOWLEDGE.</MissionDesc>
      <SignificantNewProgramSrvcInd>0</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>0</SignificantChangeInd>
      <ExpenseAmt>5049278</ExpenseAmt>
      <GrantAmt>177913</GrantAmt>
      <RevenueAmt>161800</RevenueAmt>
      <Desc>AS THE NATIONS' FIRST HISTORICAL SOCIETY, THE MASSACHUSETTS HISTORICAL SOCIETY (MHS) STRIVES TO ENHANCE THE UNDERSTANDING OF OUR NATION'S PAST AND ITS CONNECTION TO THE PRESENT, DEMONSTRATING THAT HISTORY IS NOT JUST A SERIES OF EVENTS THAT HAPPENED TO INDIVIDUALS LONG AGO BUT IS INTEGRAL TO THE FABRIC OF OUR DAILY LIVES. ITS COLLECTIONS ARE ACCESSIBLE TO ANYONE WITH AN INTEREST IN AMERICAN HISTORY. BEYOND RESEARCH, THE MHS OFFERS MANY WAYS FOR THE PUBLIC TO ENJOY ITS COLLECTIONS INCLUDING ENGAGING PROGRAMS, THROUGH-PROVOKING EXHIBITIONS, PUBLICATIONS, SEMINARS, AND TEACHER WORKSHOPS.PLEASE SEE SCH. O FOR ADDITIONAL PROGRAM HIGHLIGHTS &amp; DESCRIPTIONS.COLLECTIONS - THE SOCIETY'S EXTRAORDINARY COLLECTIONS TELL THE STORY OF AMERICA THROUGH MILLIONS OF RARE AND UNIQUE DOCUMENTS, ARTIFACTS, AND NATIONAL TREASURES, INCLUDING THE PERSONAL PAPERS OF THREE PRESIDENTS JOHN ADAMS, JOHN QUINCY ADAMS, AND THOMAS JEFFERSON. THROUGH ITS RESEARCH LIBRARY, ONLINE RESOURCES, PUBLICATIONS, EXHIBITIONS, AND PROGRAMS, THE MHS MAKES ITS HOLDINGS ACCESSIBLE TO ANYONE WITH AN INTEREST IN THE PEOPLE AND EVENTS THAT SHAPED OUR COUNTRY. PAUL REVERE'S HANDWRITTEN ACCOUNT OF HIS FAMOUS RIDE, THOMAS JEFFERSON'S AND JOHN ADAM'S MANUSCRIPT COPIES OF THE DECLARATION OF INDEPENDENCE AND ELBRIDGE GERRY'S ANNOTATED COPY OF THE CONSTITUTION ARE AMONG THE MANY ICONIC AMERICAN DOCUMENTS OF THE MHS. SPANNING FOUR CENTURIES, THE LETTERS, DIARIES, AND OTHER PERSONAL PAPERS OF INDIVIDUALS AND FAMILIES, AS WELL AS THEIR BOOKS, PHOTOGRAPHS, MAPS, NEWSPAPERS, ARTIFACTS, AND WORKS OF ART HAVE BECOME ESSENTIAL PRIMARY SOURCES FOR THE STUDY AND UNDERSTANDING OF AMERICAN HISTORY. THE LIBRARY IS FREE AND OPEN TO RESEARCHERS OF ALL AGES AND LEVELS OF INTEREST. THE LIBRARY DOES NOT LEND MATERIALS, BUT ANY PERSON INTERESTED IN USING THE COLLECTION CAN REGISTER AS A RESEARCHER AND USE MATERIALS IN THE LIBRARY. IN MANY CASES, SELECTED MATERIALS CAN BE REPRODUCED AND SENT TO INDIVIDUALS WHO CANNOT VISIT LIBRARY IN PERSON.EXHIBITIONS - THE SOCIETY'S EXHIBITIONS CELEBRATE THE PERSPECTIVE AMERICAN HISTORY BRINGS TO OUR OWN TIME AND ILLUSTRATE HOW IT SUSTAINS OUR REPUBLIC AND GUIDES OUR FUTURE. AS A MAJOR HISTORY PRESENTATION VENUE FOR THE REGION, THE MHS PRODUCES EXHIBITIONS THAT ARE THEMATIC, TELL STORIES, AND EXPLORE HOW TURNING POINTS IN THE PAST ARE REFLECTED IN CULTURE TODAY. THROUGHOUT FISCAL YEAR 2022, VISITORS TO OUR BUILDING WERE ABLE TO ENJOY OUR FAVORITE THINGS: OBJECTS THAT FASCINATE, INTEREST &amp; INSPIRE. THIS THREE-PART EXHIBITION CONNECTED A SELECTION OF COMPELLING, CAPTIVATING, AND AMUSING ITEMS FROM OUR COLLECTION TO THE BACKGROUNDS, INTERESTS, AND MEMORIES OF THE MHS STAFF.EDUCATION AND PUBLIC PROGRAMS - CONTINUING TO DEVELOP A VIBRANT SELECTION OF PUBLIC AND EDUCATIONAL PROGRAMS ENABLES THE MHS TO HELP ENHANCE THE UNDERSTANDING OF OUR NATION'S PAST AND ITS CONNECTION TO THE PRESENT. WHERE OPINIONS VARY, THE MHS PROVIDES A FORUM FOR DEBATE. AS PART OF OUR MISSION TO PROVIDE ACCESS, IN FISCAL YEAR 2022, WE LAUNCHED A PODCAST, UNVEILED A REDESIGNED WEBSITE, AND WELCOMED RESEARCHERS BACK INTO THE BUILDING. PROGRAMMING DESIGNED FOR BOTH GENERAL AND SCHOLARLY AUDIENCES ATTRACTED MORE THAN 12,739 ATTENDEES AT 61 PROGRAMS, 30 SEMINAR SESSIONS, AND 3 SPECIAL EVENTS OVER THE COURSE OF THE YEAR. THE SOCIETY SUPPORTS THE WORK OF HISTORIANS AT ALL POINTS OF THEIR CAREERS AS WELL AS THE CONTINUING DEVELOPMENT OF THE HISTORICAL NARRATIVE. THANKS TO FUNDING RECEIVED IN FY2022, THE MHS WAS ABLE TO BEGIN WORK ON A PILOT PROGRAM FOR AN UNDERGRADUATE LIBRARY RESIDENCY: THE W. DEAN EASTMAN UNDERGRADUATE RESIDENCY. THIS PROGRAM IS ESSENTIAL AS WE WORK TO TRY TO DIVERSIFY THE PROFESSION. THE MHS IS THE STATE SPONSOR OF NATIONAL HISTORY DAY IN MASSACHUSETTS, AND IN FISCAL YEAR 2022, 3,500 STUDENTS FROM CITIES AND TOWNS ACROSS THE COMMONWEALTH PARTICIPATED IN THE PROGRAM.A WIDE RANGE OF PROGRAMS WERE OFFERED IN FISCAL YEAR 2022 INCLUDING A SERIES ON DISABILITY IN THE AMERICAN PAST. A SERIES REFLECTING ON DIFFERENT EXPERIENCES, ADAPTATIONS, AND LESSONS LEARNED FROM THE COVID-19 PANDEMIC, A SERIES ON CONFRONTING RACIAL INJUSTICE, A PANEL DISCUSSION LOOKING AT THE 200 YEARS SINCE BOSTON WAS INCORPORATED AS A CITY, AND A SERIES LOOKING AT QUEER HISTORY IN BOSTONRESEARCH - THE SOCIETY STRIVES TO FOSTER A RESEARCH COMMUNITY THAT ACTIVELY PROMOTES THE STUDY OF THE HISTORY OF MASSACHUSETTS AND THE NATION. WE OFFER AN EXCEPTIONAL RANGE OF RESOURCES FOR MAKING AND SHARING HISTORICAL DISCOVERIES INCLUDING MORE THAN 30 RESEARCH FELLOWSHIPS IN FOUR ANNUAL COMPETITIONS. RESEARCHERS CAN ENJOY PUBLIC TALKS, TOURS, EXHIBITIONS, SCHOLARLY SEMINARS, BROWN-BAG LUNCHES, AND CONFERENCES AS WELL AS GAIN ACCESS TO OUR UNPARALLELED COLLECTIONS THROUGH OUR RESEARCH LIBRARY AND WEBSITE. THROUGHOUT THE YEAR AND AS WE REOPENED, WE FOCUSED ON PROVIDING RESEARCHERS ACCESS TO OUR COLLECTIONS THROUGH REPRODUCTIONS, VIRTUAL REFERENCE SERVICES, AND EMAIL AND CALLS. THERE WERE 1,490 RESEARCH VISITS FROM 441 INDIVIDUAL RESEARCHERS FROM 19 STATES AND 4 COUNTRIES OUTSIDE OF THE US. EACH YEAR, THE MHS WELCOMES A WIDE VARIETY OF RESEARCHERS FROM ACROSS THE COUNTRY AND AROUND THE WORLD FROM HIGH SCHOOL STUDENTS AND FAMILY HISTORIANS TO PROFESSORS AND PULITZER PRIZE-WINNING AUTHORS. THESE RESEARCHERS NETWORK, SHARE THEIR FINDINGS, AND EXCHANGE IDEAS. PUBLICATION AND DOCUMENTARY EDITING INCLUDING THE ADAMS PAPERS -THE MHS BEGAN PUBLISHING BOOKS IN 1792 AND IS ONE OF THE OLDEST, CONTINUOUSLY OPERATING PUBLISHERS IN THE UNITED STATES, AND MAKES AVAILABLE PRINTED BOOKS, ELECTRONIC PUBLICATIONS, A NEWSLETTER, AND SCHOLARLY JOURNAL. THE MHS PUBLISHES PRINT AND ELECTRONIC WORKS THAT PROVIDE INFORMATION ABOUT AND MAKE AVAILABLE THE CONTENT OF SOME OF ITS MOST SIGNIFICANT COLLECTIONS AND THE PEOPLE WHO CREATED THEM. AS PART OF ITS MISSION, THE MHS MAINTAINS ITS OWN PUBLISHING PROGRAM AND HOSTS THE OFFICES OF THE ADAMS PAPERS EDITORIAL PROJECT. FOUNDED IN 1954, THE PROJECT PREPARES A COMPREHENSIVE EDITION, IN PRINT AND DIGITAL FORMATS, OF THE MANUSCRIPTS WRITTEN AND RECEIVED BY THREE GENERATION OF THE ADAMS FAMILY OF BRAINTREE AND QUINCY, MASSACHUSETTS. THE ADAMS FAMILY PAPERS MANUSCRIPT COLLECTION AT THE MHS FORMS THE NUCLEUS OF THE PROJECT, ALTHOUGH THE EDITORS HAVE GATHERED MORE THAN 30,000 COPIES OF ADDITIONAL ADAMS WRITINGS FROM HUNDREDS OF LIBRARIES, INSTITUTIONS, AND INDIVIDUALS IN THE UNITED STATES AND ABROAD. TO DATE, NEARLY 60 PRINT VOLUMES HAVE BEEN PUBLISHED BY HARVARD UNIVERSITY PRESS, MOST OF WHICH ARE AVAILABLE ONLINE AS PART OF THE ADAMS PAPERS DIGITAL EDITION.</Desc>
      <TotalProgramServiceExpensesAmt>5049278</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="RetDoc1039100001">1</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd referenceDocumentId="RetDoc1234500001">1</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd>0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>0</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd>0</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd referenceDocumentId="RetDoc1040000001">0</DonorAdvisedFundInd>
      <ConservationEasementsInd referenceDocumentId="RetDoc1040000001">0</ConservationEasementsInd>
      <CollectionsOfArtInd referenceDocumentId="RetDoc1040000001">1</CollectionsOfArtInd>
      <CreditCounselingInd referenceDocumentId="RetDoc1040000001">0</CreditCounselingInd>
      <DonorRstrOrQuasiEndowmentsInd>1</DonorRstrOrQuasiEndowmentsInd>
      <ReportLandBuildingEquipmentInd referenceDocumentId="RetDoc1040000001">1</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd referenceDocumentId="RetDoc1040000001">0</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd referenceDocumentId="RetDoc1040000001">0</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd referenceDocumentId="RetDoc1040000001">0</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd referenceDocumentId="RetDoc1040000001">1</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd referenceDocumentId="RetDoc1040000001">1</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">1</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd referenceDocumentId="RetDoc1040000001">0</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <ForeignActivitiesInd referenceDocumentId="RetDoc1040500001">1</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd referenceDocumentId="RetDoc1040500001">0</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd referenceDocumentId="RetDoc1040500001">0</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd referenceDocumentId="RetDoc1041300001">0</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd referenceDocumentId="RetDoc1041300001">1</FundraisingActivitiesInd>
      <GamingActivitiesInd referenceDocumentId="RetDoc1041300001">0</GamingActivitiesInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <GrantsToOrganizationsInd referenceDocumentId="RetDoc1041900001">0</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd referenceDocumentId="RetDoc1041900001">1</GrantsToIndividualsInd>
      <ScheduleJRequiredInd referenceDocumentId="RetDoc1042400001">1</ScheduleJRequiredInd>
      <TaxExemptBondsInd>0</TaxExemptBondsInd>
      <EngagedInExcessBenefitTransInd>0</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd>0</PYExcessBenefitTransInd>
      <LoanOutstandingInd>0</LoanOutstandingInd>
      <GrantToRelatedPersonInd>0</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>0</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>0</BusinessRlnWithFamMemInd>
      <BusinessRlnWith35CtrlEntInd>0</BusinessRlnWith35CtrlEntInd>
      <DeductibleNonCashContriInd>0</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>0</DeductibleArtContributionInd>
      <TerminateOperationsInd>0</TerminateOperationsInd>
      <PartialLiquidationInd>0</PartialLiquidationInd>
      <DisregardedEntityInd referenceDocumentId="RetDoc1043400001">0</DisregardedEntityInd>
      <RelatedEntityInd referenceDocumentId="RetDoc1043400001">1</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd referenceDocumentId="RetDoc1043400001">0</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd referenceDocumentId="RetDoc1043400001">0</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>1</ScheduleORequiredInd>
      <IRPDocumentCnt>57</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>1</BackupWthldComplianceInd>
      <EmployeeCnt>70</EmployeeCnt>
      <EmploymentTaxReturnsFiledInd>1</EmploymentTaxReturnsFiledInd>
      <UnrelatedBusIncmOverLimitInd>1</UnrelatedBusIncmOverLimitInd>
      <Form990TFiledInd>1</Form990TFiledInd>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>0</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>0</NondeductibleContributionsInd>
      <QuidProQuoContributionsInd>1</QuidProQuoContributionsInd>
      <QuidProQuoContriDisclInd>1</QuidProQuoContriDisclInd>
      <Form8282PropertyDisposedOfInd>0</Form8282PropertyDisposedOfInd>
      <RcvFndsToPayPrsnlBnftCntrctInd>0</RcvFndsToPayPrsnlBnftCntrctInd>
      <PayPremiumsPrsnlBnftCntrctInd>0</PayPremiumsPrsnlBnftCntrctInd>
      <IndoorTanningServicesInd>0</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>0</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>0</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>25</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>25</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>0</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>1</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>0</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>0</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>1</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>1</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>0</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>1</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>1</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>0</OfficerMailingAddressInd>
      <LocalChaptersInd>0</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>1</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>1</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>1</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>1</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>1</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>1</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>1</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>1</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>0</InvestmentInJointVentureInd>
      <StatesWhereCopyOfReturnIsFldCd>MA</StatesWhereCopyOfReturnIsFldCd>
      <OwnWebsiteInd>X</OwnWebsiteInd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>CATHERINE ALLGOR</BusinessNameLine1Txt>
        </BusinessName>
        <PhoneNum>6175361608</PhoneNum>
        <USAddress>
          <AddressLine1Txt>1154 BOYLSTON STREET</AddressLine1Txt>
          <CityNm>BOSTON</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02215</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <BusinessName>
          <BusinessNameLine1Txt>MELINDA BARBER</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <InstitutionalTrusteeInd>X</InstitutionalTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <BusinessName>
          <BusinessNameLine1Txt>ELIZABETH A CHANG</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <InstitutionalTrusteeInd>X</InstitutionalTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <BusinessName>
          <BusinessNameLine1Txt>NANCY COTT</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <InstitutionalTrusteeInd>X</InstitutionalTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <BusinessName>
          <BusinessNameLine1Txt>MICHAEL A EWALD</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <InstitutionalTrusteeInd>X</InstitutionalTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <BusinessName>
          <BusinessNameLine1Txt>ANNETTE GORDON-REED</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <InstitutionalTrusteeInd>X</InstitutionalTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <BusinessName>
          <BusinessNameLine1Txt>SUSAN W HUNNEWELL</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <InstitutionalTrusteeInd>X</InstitutionalTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <BusinessName>
          <BusinessNameLine1Txt>G NATHANIEL JEPPSON</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <InstitutionalTrusteeInd>X</InstitutionalTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <BusinessName>
          <BusinessNameLine1Txt>RENE JONES</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <InstitutionalTrusteeInd>X</InstitutionalTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <BusinessName>
          <BusinessNameLine1Txt>ROBERT KWAK</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <InstitutionalTrusteeInd>X</InstitutionalTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <BusinessName>
          <BusinessNameLine1Txt>ANTHONY H LENESS</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <InstitutionalTrusteeInd>X</InstitutionalTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <BusinessName>
          <BusinessNameLine1Txt>ANNE CRAIGE MCNAY</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <InstitutionalTrusteeInd>X</InstitutionalTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <BusinessName>
          <BusinessNameLine1Txt>CLAIRE NEE NELSON</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <InstitutionalTrusteeInd>X</InstitutionalTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <BusinessName>
          <BusinessNameLine1Txt>JOHN O'LEARY</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <InstitutionalTrusteeInd>X</InstitutionalTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <BusinessName>
          <BusinessNameLine1Txt>ROBERT G RIPLEY JR</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <InstitutionalTrusteeInd>X</InstitutionalTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <BusinessName>
          <BusinessNameLine1Txt>PAUL W SANDMAN</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <InstitutionalTrusteeInd>X</InstitutionalTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <BusinessName>
          <BusinessNameLine1Txt>MICHAEL SHEA</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <InstitutionalTrusteeInd>X</InstitutionalTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <BusinessName>
          <BusinessNameLine1Txt>JAMES SEGEL</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <InstitutionalTrusteeInd>X</InstitutionalTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <BusinessName>
          <BusinessNameLine1Txt>EDWARD L WIDMER</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <InstitutionalTrusteeInd>X</InstitutionalTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <BusinessName>
          <BusinessNameLine1Txt>JUDITH BRYANT WITTENBERG</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>TRUSTEE</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <InstitutionalTrusteeInd>X</InstitutionalTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <BusinessName>
          <BusinessNameLine1Txt>NEWCOMB STILLWELL</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>CHAIR</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <InstitutionalTrusteeInd>X</InstitutionalTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <BusinessName>
          <BusinessNameLine1Txt>BENJAMIN C ADAMS</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>VICE CHAIR</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <InstitutionalTrusteeInd>X</InstitutionalTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <BusinessName>
          <BusinessNameLine1Txt>OLIVER F AMES</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>VICE CHAIR</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <InstitutionalTrusteeInd>X</InstitutionalTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <BusinessName>
          <BusinessNameLine1Txt>EDWARD BALDINI</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <InstitutionalTrusteeInd>X</InstitutionalTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <BusinessName>
          <BusinessNameLine1Txt>LEVIN H CAMPBELL JR</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <InstitutionalTrusteeInd>X</InstitutionalTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <BusinessName>
          <BusinessNameLine1Txt>G MARSHALL MORIARTY</BusinessNameLine1Txt>
        </BusinessName>
        <TitleTxt>CHAIR, OVERSEERS</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <InstitutionalTrusteeInd>X</InstitutionalTrusteeInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CATHERINE ALLGOR</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>35.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>276714</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>29575</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>WILLIAM TSOULES</PersonNm>
        <TitleTxt>CFO, VP (UNTIL 3/21)</TitleTxt>
        <AverageHoursPerWeekRt>35.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>50716</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>9689</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KANISORN WONGSRICHANALAI</PersonNm>
        <TitleTxt>DIRECTOR OF RESEARCH</TitleTxt>
        <AverageHoursPerWeekRt>35.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>109927</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>23949</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>PETER DRUMMEY</PersonNm>
        <TitleTxt>LIBRARIAN</TitleTxt>
        <AverageHoursPerWeekRt>35.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>138291</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>11781</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BRENDA M LAWSON</PersonNm>
        <TitleTxt>VP OF COLLECTIONS</TitleTxt>
        <AverageHoursPerWeekRt>35.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>136211</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>31822</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SARA MARTIN</PersonNm>
        <TitleTxt>EDITOR IN CHIEF</TitleTxt>
        <AverageHoursPerWeekRt>35.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>119945</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>12910</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MAUREEN H NGUYEN</PersonNm>
        <TitleTxt>VICE PRESIDENT OF DEVELOPM</TitleTxt>
        <AverageHoursPerWeekRt>35.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>160674</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>6957</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>992478</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>126683</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>6</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>1</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>KUBLERWIRKA INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>95 CREST RD</AddressLine1Txt>
            <CityNm>WELLESLEY</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>02482</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>INSTITUTIONAL PLANNING &amp; PARTNERSHIP DEV</ServicesDesc>
        <CompensationAmt>168000</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>WINTER STREET CFO LLC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>125 ROCKY BROOK RD</AddressLine1Txt>
            <CityNm>NORTH ANDOVER</CityNm>
            <StateAbbreviationCd>MA</StateAbbreviationCd>
            <ZIPCd>01845</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>CFO CONSULTANT</ServicesDesc>
        <CompensationAmt>138160</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>COMTEC SOLUTIONS LLC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>65 ELMGROVE PARK</AddressLine1Txt>
            <CityNm>ROCHESTER</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>14624</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>IT SERVICES</ServicesDesc>
        <CompensationAmt>103144</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>3</CntrctRcvdGreaterThan100KCnt>
      <FundraisingAmt>284375</FundraisingAmt>
      <GovernmentGrantsAmt>282533</GovernmentGrantsAmt>
      <AllOtherContributionsAmt>1568640</AllOtherContributionsAmt>
      <TotalContributionsAmt>2135548</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>MEMBERSHIP &amp; FELLOW DUES</Desc>
        <BusinessCd>519100</BusinessCd>
        <TotalRevenueColumnAmt>109917</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>109917</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>READING ROOM REVENUE</Desc>
        <BusinessCd>519100</BusinessCd>
        <TotalRevenueColumnAmt>33408</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>33408</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>SEMINARS, CONFERENCES, WORKSHOPS</Desc>
        <BusinessCd>519100</BusinessCd>
        <TotalRevenueColumnAmt>17127</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>17127</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>SALE OF PUBLICATIONS</Desc>
        <BusinessCd>511120</BusinessCd>
        <TotalRevenueColumnAmt>1348</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>1348</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalProgramServiceRevenueAmt>161800</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>-17298</TotalRevenueColumnAmt>
        <ExclusionAmt>-17298</ExclusionAmt>
      </InvestmentIncomeGrp>
      <RoyaltiesRevenueGrp>
        <TotalRevenueColumnAmt>39680</TotalRevenueColumnAmt>
        <ExclusionAmt>39680</ExclusionAmt>
      </RoyaltiesRevenueGrp>
      <GrossRentsGrp>
        <RealAmt>6668</RealAmt>
      </GrossRentsGrp>
      <LessRentalExpensesGrp>
        <RealAmt>8074</RealAmt>
      </LessRentalExpensesGrp>
      <RentalIncomeOrLossGrp>
        <RealAmt>-1406</RealAmt>
      </RentalIncomeOrLossGrp>
      <NetRentalIncomeOrLossGrp>
        <TotalRevenueColumnAmt>-1406</TotalRevenueColumnAmt>
        <ExclusionAmt>-1406</ExclusionAmt>
      </NetRentalIncomeOrLossGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>13481252</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>6265924</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>7215328</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>7215328</TotalRevenueColumnAmt>
        <UnrelatedBusinessRevenueAmt>901743</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>6313585</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <FundraisingGrossIncomeAmt>115878</FundraisingGrossIncomeAmt>
      <ContriRptFundraisingEventAmt>284375</ContriRptFundraisingEventAmt>
      <FundraisingDirectExpensesAmt>130203</FundraisingDirectExpensesAmt>
      <NetIncmFromFundraisingEvtGrp>
        <TotalRevenueColumnAmt>-14325</TotalRevenueColumnAmt>
        <ExclusionAmt>-14325</ExclusionAmt>
      </NetIncmFromFundraisingEvtGrp>
      <OtherRevenueMiscGrp>
        <Desc>OTHER INCOME</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>14082</TotalRevenueColumnAmt>
        <ExclusionAmt>14082</ExclusionAmt>
      </OtherRevenueMiscGrp>
      <OtherRevenueTotalAmt>14082</OtherRevenueTotalAmt>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>9533409</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>161800</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>901743</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>6334318</ExclusionAmt>
      </TotalRevenueGrp>
      <GrantsToDomesticIndividualsGrp>
        <TotalAmt>177913</TotalAmt>
        <ProgramServicesAmt>177913</ProgramServicesAmt>
      </GrantsToDomesticIndividualsGrp>
      <OtherSalariesAndWagesGrp>
        <TotalAmt>4112640</TotalAmt>
        <ProgramServicesAmt>2846290</ProgramServicesAmt>
        <ManagementAndGeneralAmt>649100</ManagementAndGeneralAmt>
        <FundraisingAmt>617250</FundraisingAmt>
      </OtherSalariesAndWagesGrp>
      <PensionPlanContributionsGrp>
        <TotalAmt>138248</TotalAmt>
        <ProgramServicesAmt>90668</ProgramServicesAmt>
        <ManagementAndGeneralAmt>24811</ManagementAndGeneralAmt>
        <FundraisingAmt>22769</FundraisingAmt>
      </PensionPlanContributionsGrp>
      <OtherEmployeeBenefitsGrp>
        <TotalAmt>490989</TotalAmt>
        <ProgramServicesAmt>350721</ProgramServicesAmt>
        <ManagementAndGeneralAmt>58923</ManagementAndGeneralAmt>
        <FundraisingAmt>81345</FundraisingAmt>
      </OtherEmployeeBenefitsGrp>
      <PayrollTaxesGrp>
        <TotalAmt>288545</TotalAmt>
        <ProgramServicesAmt>206579</ProgramServicesAmt>
        <ManagementAndGeneralAmt>39603</ManagementAndGeneralAmt>
        <FundraisingAmt>42363</FundraisingAmt>
      </PayrollTaxesGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>47670</TotalAmt>
        <ManagementAndGeneralAmt>47670</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>963140</TotalAmt>
        <ManagementAndGeneralAmt>963140</ManagementAndGeneralAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>519313</TotalAmt>
        <ProgramServicesAmt>111912</ProgramServicesAmt>
        <ManagementAndGeneralAmt>397281</ManagementAndGeneralAmt>
        <FundraisingAmt>10120</FundraisingAmt>
      </FeesForServicesOtherGrp>
      <OfficeExpensesGrp>
        <TotalAmt>68521</TotalAmt>
        <ProgramServicesAmt>29544</ProgramServicesAmt>
        <ManagementAndGeneralAmt>22221</ManagementAndGeneralAmt>
        <FundraisingAmt>16756</FundraisingAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>180609</TotalAmt>
        <ProgramServicesAmt>93767</ProgramServicesAmt>
        <ManagementAndGeneralAmt>33481</ManagementAndGeneralAmt>
        <FundraisingAmt>53361</FundraisingAmt>
      </InformationTechnologyGrp>
      <OccupancyGrp>
        <TotalAmt>399270</TotalAmt>
        <ProgramServicesAmt>332943</ProgramServicesAmt>
        <ManagementAndGeneralAmt>-8773</ManagementAndGeneralAmt>
        <FundraisingAmt>75100</FundraisingAmt>
      </OccupancyGrp>
      <TravelGrp>
        <TotalAmt>7104</TotalAmt>
        <ProgramServicesAmt>2008</ProgramServicesAmt>
        <ManagementAndGeneralAmt>4645</ManagementAndGeneralAmt>
        <FundraisingAmt>451</FundraisingAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>2778</TotalAmt>
        <ProgramServicesAmt>2778</ProgramServicesAmt>
      </ConferencesMeetingsGrp>
      <InterestGrp>
        <TotalAmt>36943</TotalAmt>
        <ManagementAndGeneralAmt>36943</ManagementAndGeneralAmt>
      </InterestGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>456907</TotalAmt>
        <ProgramServicesAmt>323308</ProgramServicesAmt>
        <ManagementAndGeneralAmt>78032</ManagementAndGeneralAmt>
        <FundraisingAmt>55567</FundraisingAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>92097</TotalAmt>
        <ProgramServicesAmt>11230</ProgramServicesAmt>
        <ManagementAndGeneralAmt>80867</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>PROGRAM EXPENSES</Desc>
        <TotalAmt>327380</TotalAmt>
        <ProgramServicesAmt>324129</ProgramServicesAmt>
        <FundraisingAmt>3251</FundraisingAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>PURCH. &amp; SALE OF COLLEC</Desc>
        <TotalAmt>98684</TotalAmt>
        <ProgramServicesAmt>98684</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>CULTIVATION EXPENSES</Desc>
        <TotalAmt>58167</TotalAmt>
        <ProgramServicesAmt>2632</ProgramServicesAmt>
        <ManagementAndGeneralAmt>42778</ManagementAndGeneralAmt>
        <FundraisingAmt>12757</FundraisingAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>PRINTING</Desc>
        <TotalAmt>48685</TotalAmt>
        <ProgramServicesAmt>29153</ProgramServicesAmt>
        <ManagementAndGeneralAmt>75</ManagementAndGeneralAmt>
        <FundraisingAmt>19457</FundraisingAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>127974</TotalAmt>
        <ProgramServicesAmt>15019</ProgramServicesAmt>
        <ManagementAndGeneralAmt>95547</ManagementAndGeneralAmt>
        <FundraisingAmt>17408</FundraisingAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>8643577</TotalAmt>
        <ProgramServicesAmt>5049278</ProgramServicesAmt>
        <ManagementAndGeneralAmt>2566344</ManagementAndGeneralAmt>
        <FundraisingAmt>1027955</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>965790</BOYAmt>
        <EOYAmt>425349</EOYAmt>
      </CashNonInterestBearingGrp>
      <SavingsAndTempCashInvstGrp>
        <BOYAmt>3526825</BOYAmt>
        <EOYAmt>3124835</EOYAmt>
      </SavingsAndTempCashInvstGrp>
      <PledgesAndGrantsReceivableGrp>
        <BOYAmt>305467</BOYAmt>
        <EOYAmt>204370</EOYAmt>
      </PledgesAndGrantsReceivableGrp>
      <AccountsReceivableGrp>
        <BOYAmt>110204</BOYAmt>
        <EOYAmt>51680</EOYAmt>
      </AccountsReceivableGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>144630</BOYAmt>
        <EOYAmt>145977</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <LandBldgEquipCostOrOtherBssAmt>17739832</LandBldgEquipCostOrOtherBssAmt>
      <LandBldgEquipAccumDeprecAmt>7970033</LandBldgEquipAccumDeprecAmt>
      <LandBldgEquipBasisNetGrp>
        <BOYAmt>10093024</BOYAmt>
        <EOYAmt>9769799</EOYAmt>
      </LandBldgEquipBasisNetGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>137542351</BOYAmt>
        <EOYAmt>127669449</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>506953</BOYAmt>
        <EOYAmt>416838</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>153195244</BOYAmt>
        <EOYAmt>141808297</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>689594</BOYAmt>
        <EOYAmt>760848</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>439790</BOYAmt>
        <EOYAmt>349660</EOYAmt>
      </DeferredRevenueGrp>
      <MortgNotesPyblScrdInvstPropGrp>
        <BOYAmt>989843</BOYAmt>
        <EOYAmt>892815</EOYAmt>
      </MortgNotesPyblScrdInvstPropGrp>
      <OtherLiabilitiesGrp>
        <BOYAmt>254256</BOYAmt>
        <EOYAmt>244535</EOYAmt>
      </OtherLiabilitiesGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>2373483</BOYAmt>
        <EOYAmt>2247858</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>55395648</BOYAmt>
        <EOYAmt>51651639</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>95426113</BOYAmt>
        <EOYAmt>87908800</EOYAmt>
      </DonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>150821761</BOYAmt>
        <EOYAmt>139560439</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>153195244</BOYAmt>
        <EOYAmt>141808297</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>889832</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>-12151154</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
      </FSAuditedBasisGrp>
      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PublicOrganization170Ind>X</PublicOrganization170Ind>
      <GiftsGrantsContriRcvd170Grp>
        <CurrentTaxYearMinus4YearsAmt>3605652</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>2830902</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>2939789</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>3770174</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>2135548</CurrentTaxYearAmt>
        <TotalAmt>15282065</TotalAmt>
      </GiftsGrantsContriRcvd170Grp>
      <TotalCalendarYear170Grp>
        <CurrentTaxYearMinus4YearsAmt>3605652</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>2830902</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>2939789</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>3770174</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>2135548</CurrentTaxYearAmt>
        <TotalAmt>15282065</TotalAmt>
      </TotalCalendarYear170Grp>
      <SubstantialContributorsTotAmt>1579413</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>13702652</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>67949</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>139293</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>130230</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>44621</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>29050</CurrentTaxYearAmt>
        <TotalAmt>411143</TotalAmt>
      </GrossInvestmentIncome170Grp>
      <OtherIncome170Grp>
        <CurrentTaxYearMinus4YearsAmt>12237</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>36340</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>28481</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>24104</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>14085</CurrentTaxYearAmt>
        <TotalAmt>115247</TotalAmt>
      </OtherIncome170Grp>
      <TotalSupportAmt>15808455</TotalSupportAmt>
      <GrossReceiptsRltdActivitiesAmt>1041305</GrossReceiptsRltdActivitiesAmt>
      <PublicSupportCY170Pct>0.86680</PublicSupportCY170Pct>
      <PublicSupportPY170Pct>0.87250</PublicSupportPY170Pct>
      <ThirtyThrPctSuprtTestsCY170Ind>X</ThirtyThrPctSuprtTestsCY170Ind>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>SCHEDULE A, PART II, LINE 10, EXPLANATION OF OTHER INCOME:</FormAndLineReferenceDesc>
        <ExplanationTxt>OTHER INCOME - 2017 AMOUNT: $ 12,237. 2018 AMOUNT: $ 36,340. 2019 AMOUNT: $ 28,481. 2020 AMOUNT: $ 24,104. 2021 AMOUNT: $ 14,085.</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <CollectionUsedPubExhibitionInd>X</CollectionUsedPubExhibitionInd>
      <CollUsedScholarlyRsrchInd>X</CollUsedScholarlyRsrchInd>
      <CollectionUsedPreservationInd>X</CollectionUsedPreservationInd>
      <CollUsedLoanOrExchProgInd>X</CollUsedLoanOrExchProgInd>
      <SolicitedAssetsSaleInd>0</SolicitedAssetsSaleInd>
      <CYEndwmtFundGrp>
        <BeginningYearBalanceAmt>137542351</BeginningYearBalanceAmt>
        <ContributionsAmt>60000</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>-5799985</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>3946173</OtherExpendituresAmt>
        <AdministrativeExpensesAmt>186745</AdministrativeExpensesAmt>
        <EndYearBalanceAmt>127669448</EndYearBalanceAmt>
      </CYEndwmtFundGrp>
      <CYMinus1YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>89532291</BeginningYearBalanceAmt>
        <ContributionsAmt>259450</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>51608214</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>3812183</OtherExpendituresAmt>
        <AdministrativeExpensesAmt>45421</AdministrativeExpensesAmt>
        <EndYearBalanceAmt>137542351</EndYearBalanceAmt>
      </CYMinus1YrEndwmtFundGrp>
      <CYMinus2YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>87613214</BeginningYearBalanceAmt>
        <ContributionsAmt>235571</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>5408354</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>3641368</OtherExpendituresAmt>
        <AdministrativeExpensesAmt>83480</AdministrativeExpensesAmt>
        <EndYearBalanceAmt>89532291</EndYearBalanceAmt>
      </CYMinus2YrEndwmtFundGrp>
      <CYMinus3YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>82595066</BeginningYearBalanceAmt>
        <ContributionsAmt>689193</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>7871247</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>3471403</OtherExpendituresAmt>
        <AdministrativeExpensesAmt>70889</AdministrativeExpensesAmt>
        <EndYearBalanceAmt>87613214</EndYearBalanceAmt>
      </CYMinus3YrEndwmtFundGrp>
      <CYMinus4YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>78940757</BeginningYearBalanceAmt>
        <ContributionsAmt>63700</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>7045858</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>2367439</OtherExpendituresAmt>
        <AdministrativeExpensesAmt>1087810</AdministrativeExpensesAmt>
        <EndYearBalanceAmt>82595066</EndYearBalanceAmt>
      </CYMinus4YrEndwmtFundGrp>
      <BoardDesignatedBalanceEOYPct>0.32604</BoardDesignatedBalanceEOYPct>
      <PrmnntEndowmentBalanceEOYPct>0.13826</PrmnntEndowmentBalanceEOYPct>
      <TermEndowmentBalanceEOYPct>0.53570</TermEndowmentBalanceEOYPct>
      <EndowmentsHeldUnrelatedOrgInd>0</EndowmentsHeldUnrelatedOrgInd>
      <EndowmentsHeldRelatedOrgInd>0</EndowmentsHeldRelatedOrgInd>
      <LandGrp>
        <OtherCostOrOtherBasisAmt>200000</OtherCostOrOtherBasisAmt>
        <BookValueAmt>200000</BookValueAmt>
      </LandGrp>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>470422</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>466692</DepreciationAmt>
        <BookValueAmt>3730</BookValueAmt>
      </BuildingsGrp>
      <LeaseholdImprovementsGrp>
        <OtherCostOrOtherBasisAmt>16430625</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>7230925</DepreciationAmt>
        <BookValueAmt>9199700</BookValueAmt>
      </LeaseholdImprovementsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>517980</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>272416</DepreciationAmt>
        <BookValueAmt>245564</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>120805</OtherCostOrOtherBasisAmt>
        <BookValueAmt>120805</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>9769799</TotalBookValueLandBuildingsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>SPLIT-INTEREST AGREEMENTS</Desc>
        <Amt>244535</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>244535</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>-3541292</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>-12151154</NetUnrealizedGainsInvstAmt>
      <OtherRevenueAmt>-98684</OtherRevenueAmt>
      <RevenueNotReportedAmt>-12249838</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>8708546</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>963140</InvestmentExpensesNotIncldAmt>
      <OtherRevenuesNotIncludedAmt>-138277</OtherRevenuesNotIncludedAmt>
      <RevenueNotReportedFinclStmtAmt>824863</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>9533409</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>7720030</TotExpnsEtcAuditedFinclStmtAmt>
      <OtherExpensesIncludedAmt>138277</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>138277</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>7581753</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>963140</InvestmentExpensesNotIncld2Amt>
      <OtherExpensesNotIncludedAmt>98684</OtherExpensesNotIncludedAmt>
      <ExpensesNotRptFinclStmtAmt>1061824</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>8643577</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III, LINE 1A:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COLLECTIONS, WHICH WERE ACQUIRED THROUGH PURCHASES AND CONTRIBUTIONS SINCE THE SOCIETY'S INCEPTION, ARE NOT RECOGNIZED AS ASSETS ON THE STATEMENTS OF FINANCIAL POSITION. PURCHASE OF COLLECTION ITEMS ARE RECORDED AS DECREASES IN NET ASSETS WITHOUT DONOR RESTRICTIONS IF PURCHASED WITH NET ASSETS WITHOUT DONOR RESTRICTIONS AND AS DECREASES IN NET ASSETS WITH DONOR RESTRICTIONS IF PURCHASED WITH DONOR-RESTRICTED ASSETS. CONTRIBUTIONS OF COLLECTION ITEMS ARE NOT RECOGNIZED IN THE STATEMENT OF ACTIVITIES OR AS ASSETS. PROCEEDS FROM DEACCESSIONS ARE REFLECTED IN THE STATEMENT OF ACTIVITIES BASED ON ABSENCE OR EXISTENCE AND NATURE OF DONOR-IMPOSED RESTRICTIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY'S COLLECTIONS ARE MADE UP OF MANUSCRIPTS, RARE BOOKS, PAMPHLETS, REFERENCE WORKS, ART OBJECTS, AND OTHER ARTIFACTS OF HISTORICAL SIGNIFICANCE THAT ARE HELD FOR EDUCATIONAL, RESEARCH, HISTORIC, AND CURATORIAL PURPOSES. EACH OF THESE ITEMS IS CATALOGED, PRESERVED, AND CARED FOR, AND ACTIVITIES VERIFYING THEIR EXISTENCE AND ASSESSING THEIR CONDITION ARE PERFORMED CONTINUALLY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY CLASSIFIES AS NET ASSETS WITH DONOR RESTRICTIONS (A) THE ORIGINAL VALUE OF GIFTS DONATED TO THE PERMANENT ENDOWMENT, (B) THE ORIGINAL VALUE OF SUBSEQUENT GIFTS TO THE PERMANENT ENDOWMENT, AND (C) ACCUMULATIONS TO THE PERMANENT ENDOWMENT MADE IN ACCORDANCE WITH THE DIRECTION OF THE APPLICABLE DONOR'S GIFT INSTRUCTIONS AT THE TIME THE ACCUMULATION IS MADE TO THE FUND. THE SOCIETY HAS A POLICY OF APPROPRIATING FOR DISTRIBUTION EACH YEAR A PERCENTAGE OF INVESTED ASSETS COMPUTED ON A TRAILING 12-QUARTER QUARTERLY AVERAGE OF ITS ENDOWMENT ASSET MARKET VALUES. IN ESTABLISHING THIS POLICY, THE SOCIETY CONSIDERED THE LONG-TERM EXPECTED RETURNS ON ITS ENDOWMENT ASSETS. ACCORDINGLY, OVER THE LONG-TERM, THE SOCIETY EXPECTS THE SPENDING POLICY TO ALLOW ITS ENDOWMENT TO GROW AT A RATE IN EXCESS OF INFLATION. THIS IS CONSISTENT WITH THE SOCIETY'S OBJECTIVE TO MAINTAIN THE PURCHASING POWER OF THE ENDOWMENT ASSETS. THE CUMULATIVE NET UNSPENT APPRECIATION ON INVESTMENTS WITH DONOR RESTRICTIONS IS ACCOUNTED FOR AS NET ASSETS WITH DONOR RESTRICTIONS AND TOGETHER WITH UNSPENT APPRECIATION ON UNRESTRICTED ENDOWMENT FUNDS IS NOT AVAILABLE FOR DISTRIBUTION, EXCEPT BY THE EXPRESS APPROPRIATION ACTION OF THE BOARD OF TRUSTEES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY IS EXEMPT FROM FEDERAL INCOME TAX UNDER SECTION 501(C )(3) OF THE INTERNAL REVENUE CODE. THE SOCIETY IS ALSO EXEMPT FROM MASSACHUSETTS INCOME TAXES. HOWEVER, INCOME FROM CERTAIN ACTIVITIES NOT DIRECTLY RELATED TO THE SOCIETY'S TAX-EXEMPT PURPOSE MAY BE SUBJECT TO TAXATION AS UNRELATED BUSINESS INCOME AT BOTH THE STATE AND FEDERAL LEVELS. IN ADDITION, THE SOCIETY QUALIFIES FOR THE CHARITABLE CONTRIBUTION DEDUCTION UNDER SECTION 170(B)(1)(A) AND HAD BEEN CLASSIFIED AS AN ORGANIZATION OTHER THAN PRIVATE FOUNDATION UNDER SECTION 509(A)(2). THE SOCIETY EVALUATES ALL SIGNIFICANT TAX POSITIONS. AS OF JUNE 30, 2022, THE SOCIETY DOES NOT BELIEVE THAT IT HAS TAKEN ANY TAX POSITIONS THAT WOULD REQUIRE THE RECORDING OF ANY ADDITIONAL TAX LIABILITY NOR DOES IT BELIEVE THAT THERE ARE ANY UNREALIZED TAX BENEFITS THAT WOULD EITHER INCREASE OR DECREASE WITHIN THE NEXT 12 MONTHS. THE SOCIETY'S INCOME TAX RETURNS ARE SUBJECT TO EXAMINATION BY THE APPROPRIATE TAXING JURISDICTIONS; HOWEVER, THERE ARE NO EXAMINATIONS IN PROCESS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>PURCHASE OF COLLECTIONS -98,684.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>RECLASS OF FUNDRAISING EXPENSES -130,203. RECLASS OF RENTAL EXPENSES -8,074.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>RECLASS OF FUNDRAISING EXPENSES 130,203. RECLASS OF RENTAL EXPENSE 8,074.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>PURCHASE OF COLLECTIONS 98,684.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleF documentId="RetDoc1040500001">
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>CENTRAL AMERICA AND THE CARIBBEAN - ANTIGUA &amp; BARBUDA, ARUBA, BAHAMAS,</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>INVESTMENTS</TypeOfActivitiesConductedTxt>
      </AccountActivitiesOutsideUSGrp>
      <AccountActivitiesOutsideUSGrp>
        <RegionTxt>EUROPE (INCLUDING ICELAND &amp; GREENLAND) - ALBANIA, ANDORRA, AUSTRIA, BELGIUM</RegionTxt>
        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>INVESTMENTS</TypeOfActivitiesConductedTxt>
      </AccountActivitiesOutsideUSGrp>
      <SubtotalOfficesCnt>0</SubtotalOfficesCnt>
      <SubtotalEmployeesCnt>0</SubtotalEmployeesCnt>
      <ContinuationTotalOfficeCnt>0</ContinuationTotalOfficeCnt>
      <ContinuationTotalEmployeeCnt>0</ContinuationTotalEmployeeCnt>
      <TotalOfficeCnt>0</TotalOfficeCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <SubtotalSpentAmt>0</SubtotalSpentAmt>
      <ContinuationSpentAmt>0</ContinuationSpentAmt>
      <TotalSpentAmt>0</TotalSpentAmt>
      <TransferToForeignCorpInd>1</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>0</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>0</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>0</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>0</ForeignPartnershipInd>
      <BoycottCountriesInd>0</BoycottCountriesInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III ACCOUNTING METHOD:</FormAndLineReferenceDesc>
      </SupplementalInformationDetail>
    </IRS990ScheduleF>
    <IRS990ScheduleG documentId="RetDoc1041300001">
      <FundraisingEventInformationGrp>
        <Event1Nm>MAKING HISTORY GALA</Event1Nm>
        <GrossReceiptsEvent1Amt>400253</GrossReceiptsEvent1Amt>
        <CharitableContriEvent1Amt>284375</CharitableContriEvent1Amt>
        <GrossRevenueEvent1Amt>115878</GrossRevenueEvent1Amt>
        <NonCashPrizesEvent1Amt>1774</NonCashPrizesEvent1Amt>
        <RentFacilityCostsEvent1Amt>22014</RentFacilityCostsEvent1Amt>
        <FoodAndBeverageEvent1Amt>96034</FoodAndBeverageEvent1Amt>
        <EntertainmentEvent1Amt>5584</EntertainmentEvent1Amt>
        <OtherDirectExpensesEvent1Amt>4797</OtherDirectExpensesEvent1Amt>
        <GrossReceiptsTotalAmt>400253</GrossReceiptsTotalAmt>
        <CharitableContributionsTotAmt>284375</CharitableContributionsTotAmt>
        <GrossRevenueTotalEventsAmt>115878</GrossRevenueTotalEventsAmt>
        <NonCashPrizesTotalEventsAmt>1774</NonCashPrizesTotalEventsAmt>
        <RentFcltyCostsTotalEventsAmt>22014</RentFcltyCostsTotalEventsAmt>
        <FoodAndBeverageTotalEventsAmt>96034</FoodAndBeverageTotalEventsAmt>
        <EntertainmentTotalEventsAmt>5584</EntertainmentTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>4797</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>130203</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>-14325</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>FELLOWSHIPS</GrantTypeTxt>
        <RecipientCnt>41</RecipientCnt>
        <CashGrantAmt>177913</CashGrantAmt>
        <ValuationMethodUsedDesc>N/A</ValuationMethodUsedDesc>
        <NonCashAssistanceDesc>N/A</NonCashAssistanceDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION PROVIDES FELLOWSHIPS FOR RESEARCHERS TO USE ITS LIBRARY. IN ADDITION, PRIOR TO DISBURSING THE FINAL FELLOWSHIP PAYMENT, THE SOCIETY RECEIVES A REPORT FROM THE FELLOWS DETAILING THE COLLECTIONS MATERIALS USED AND HOW ACCESS TO THE SOCIETY'S COLLECTIONS AIDED THEIR RESEARCH.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <ClubDuesOrFeesInd>X</ClubDuesOrFeesInd>
      <WrittenPolicyRefTAndEExpnssInd>1</WrittenPolicyRefTAndEExpnssInd>
      <SubstantiationRequiredInd>1</SubstantiationRequiredInd>
      <IndependentConsultantInd>X</IndependentConsultantInd>
      <Form990OfOtherOrganizationsInd>X</Form990OfOtherOrganizationsInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>1</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>1</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>0</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>CATHERINE ALLGOR</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <BaseCompensationFilingOrgAmt>276714</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>11069</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>18506</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>306289</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>BRENDA M LAWSON</PersonNm>
        <TitleTxt>VP OF COLLECTIONS</TitleTxt>
        <BaseCompensationFilingOrgAmt>136211</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>5448</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>26374</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>168033</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>MAUREEN H NGUYEN</PersonNm>
        <TitleTxt>VICE PRESIDENT OF DEVELOPM</TitleTxt>
        <BaseCompensationFilingOrgAmt>160674</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>6427</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>530</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>167631</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>PETER DRUMMEY</PersonNm>
        <TitleTxt>LIBRARIAN</TitleTxt>
        <BaseCompensationFilingOrgAmt>138291</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>2600</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>9181</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>150072</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION PROVIDES A SOCIAL CLUB MEMBERSHIP FOR CATHERINE ALLGOR, PRESIDENT. THE AMOUNT WAS PAID PURSUANT TO THE TERMS OUTLINED IN HER ORIGINAL OFFER OF EMPLOYMENT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BOARD CHAIR AND TREASURER, IN CONSULTATION WITH OFFICERS APPROVE THE PRESIDENT'S COMPENSATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINES 4A-B</FormAndLineReferenceDesc>
        <ExplanationTxt>CATHERINE ALLGOR - 457 PLAN EMPLOYEE SALARY DEFERRAL - $19,500 MAUREEN NGUYEN - 457 PLAN EMPLOYEE SALARY DEFERRAL - $19,500 WILLIAM TSOULES - 457 PLAN EMPLOYEE SALARY DEFERRAL - $300</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>DURING THE YEAR THE BOARD ENGAGED WITH WINTER STREET CFO, LLC TO PERFORM THE INTERIM CFO WORK. WINTER STREET IS OVERSEEN BY THE PRESIDENT AND THE BOARD OF DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY HAS ELECTED MEMBERS, KNOWN AS FELLOWS, AS WELL AS GENERAL MEMBERSHIP, WHICH DO NOT HAVE VOTING RIGHTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY HAS ELECTED MEMBERS WHO DO NOT HAVE VOTING RIGHTS. IN ADDITION, THE SOCIETY IS GOVERNED BY THE BOARD OF TRUSTEES WHO ARE NOMINATED AND ELECTED. THE BOARD OF TRUSTEES ARE RESPONSIBLE FOR ALMOST ALL GOVERNANCE DECISIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION PROVIDES A DRAFT OF FORM 990 TO ITS FINANCE COMMITTEE FOR THEIR REVIEW PRIOR TO FILING. ADDITIONALLY, A DRAFT COPY OF THE FORM 990 IS MADE AVAILABLE TO ALL TRUSTEES FOR COMMENT PRIOR TO FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ANNUALLY, THE GOVERNANCE COMMITTEE DISTRIBUTES A QUESTIONNAIRE TO ALL TRUSTEES, OFFICERS AND KEY EMPLOYEES REQUIRING THEM TO DISCLOSE ANY CONFLICTS OF INTEREST. THE SOCIETY REQUIRES THAT ALL PERSONS TO WHOM THE QUESTIONNAIRE IS DISTRIBUTED COMPLETE IT IN A TIMELY MANNER. THE GOVERNANCE COMMITTEE REVIEWS THE CONFLICT OF INTEREST POLICY QUESTIONAIRES AS THEY ARE COMPLETED ALONG WITH THE BOARD DISCLOSURES ANNUALLY, AND SUGGESTS ANY CONFLICTS TO GENERAL COUNSEL FOR FURTHER EVALUATION. GENERAL COUNSEL IS RESPONSIBLE FOR FOLLOWING UP ON ANY POTENTIAL OR NOTED CONFLICTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH YEAR THE CHAIR OF THE BOARD OF TRUSTEES APPOINTS A COMPENSATION COMMITTEE MADE UP OF TRUSTEES TO REVIEW THE PERFORMANCE OF THE PRESIDENT/CEO AND COMPARABLE COMPENSATION DATA AND TO MAKE A RECOMMENDATION TO THE BOARD, WHICH THEN MAKES THE FINAL DECISION ON HIS/HER COMPENSATION. THE DELIBERATIONS AND DECISION OF BOTH THE COMMITTEE AND THE BOARD ARE CONTEMPORANEOUSLY RECORDED IN THE MINUTES. THE LAST YEAR THIS PROCESS WAS PERFORMED WAS IN 2022. EACH YEAR THE PRESIDENT, AS CEO, REVIEWS THE PERFORMANCE OF THE KEY EMPLOYEES AND COMPARABLE COMPENSATION DATA AND REPORTS HIS/HER DECISION TO THE BOARD OF TRUSTEES, WHICH ARE INCORPORATED INTO THE ANNUAL BUDGET OF THE ORGANIZATION WHICH IS APPROVED BY THE BOARD OF TRUSTEES. THE DELIBERATIONS AND DECISIONS OF THE PRESIDENT ARE CONTEMPORANEOUSLY RECORDED AS IS THE APPROVAL OF THE BUDGET BY THE BOARD OF TRUSTEES. THE LAST YEAR THIS PROCESS WAS PERFORMED WAS IN 2022.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY'S ANNUAL AUDITED FINANCIAL STATEMENTS, FORM 990 AND MASSACHUSETTS FORM PC ARE AVAILABLE TO THE PUBLIC ON ITS WEBSITE AT MASSHIST.ORG. THESE DOCUMENTS ARE ALSO AVAILABLE ON THE MASSACHUSETTS ATTORNEY GENERAL'S WEBSITE AT WWW.CHARITIES.AGO.STATE.MA.US/CHARITIES/. THE SOCIETY'S BYLAWS AND CONFLICT OF INTEREST POLICY ARE AVAILABLE ON THE SOCIETY'S WEBSITE. THE SOCIETY WILL MAKE PRINTED COPIES AVAILABLE UPON WRITTEN REQUEST. FORM 990, PART 1, LINE 10 - THE INVESTMENT INCOME NUMBER WAS ADJUSTED IN THE CURRENT YEAR TO REFLECT THE COMPARABLE AMOUNT OF INCOME TO THE CURRENT YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043400001">
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>FOUNDING FATHERS PAPERS INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>C/O PRINCETON UNIVERSITY 701 CARNEG</AddressLine1Txt>
          <CityNm>PRINCETON</CityNm>
          <StateAbbreviationCd>NJ</StateAbbreviationCd>
          <ZIPCd>08540</ZIPCd>
        </USAddress>
        <EIN>222365602</EIN>
        <PrimaryActivitiesTxt>CARRY OUT PURPOSES OF FOUNDING FATHERS EDITORIAL PROJECTS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>NJ</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE 12A, I</PublicCharityStatusTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>1</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>1</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>0</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>0</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>0</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>0</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>0</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>0</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
    </IRS990ScheduleR>
  </ReturnData>
</Return>
