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        <CurrentTaxYearMinus3YearsAmt>386893</CurrentTaxYearMinus3YearsAmt>
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        <ContributorBusinessName>
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        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
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        <FormAndLineReferenceDesc>PART II-B, LINE 1, LOBBYING ACTIVITIES</FormAndLineReferenceDesc>
        <ExplanationTxt>LINES 1B &amp; 1G: NOT SEPARATELY ALLOCATED - EXECUTIVE DIRECTOR FROM TIME TO TIME PROVIDES INFORMATION REGARDING LIBRARY AND RESEARCH SERVICES THAT THE LIBRARY PROVIDES TO THE JUDICIAL, LEGISLATIVE, AND EXECUTIVE BRANCHES OF MASSACHUSETTS STATE GOVERNMENT AS NEEDED IN SUPPORT OF ANNUAL STATE APPROPRIATIONS TO THE LIBRARY.</ExplanationTxt>
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        <AdministrativeExpensesAmt>18956</AdministrativeExpensesAmt>
        <EndYearBalanceAmt>4377759</EndYearBalanceAmt>
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        <EndYearBalanceAmt>2977459</EndYearBalanceAmt>
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        <EndYearBalanceAmt>3649218</EndYearBalanceAmt>
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      <RevenueNotReportedFinclStmtAmt>58761</RevenueNotReportedFinclStmtAmt>
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      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>6045085</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>58761</InvestmentExpensesNotIncld2Amt>
      <ExpensesNotRptFinclStmtAmt>58761</ExpensesNotRptFinclStmtAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III, LINE 1A:</FormAndLineReferenceDesc>
        <ExplanationTxt>ART OBJECTS DONATED TO THE LIBRARY ARE HELD FOR PUBLIC EXHIBITION AND ARE PRESERVED BY THE LIBRARY. THIS DONATED ARTWORK IS NOT RECOGNIZED IN THE LIBRARY'S FINANCIAL STATEMENTS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE HISTORICAL COLLECTION CONSISTS OF ARTWORK THAT IS DISPLAYED IN THE LIBRARY AND BOOKS THAT ARE PART OF THE LIBRARY'S ARCHIVES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE LIBRARY INTENDS TO USE THE ENDOWMENT FUNDS TO FULFILL ITS PURPOSE WHICH IS TO PROMOTE AND PROVIDE FOR THE PROFESSIONAL AND SCHOLARLY REQUIREMENTS OF ITS MEMBERS.</ExplanationTxt>
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    </IRS990ScheduleD>
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      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>1</SupplementalNonqualRtrPlanInd>
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      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
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        <PersonNm>ROBERT J BRINK</PersonNm>
        <TitleTxt>EXECUTIVE DIRECTOR</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
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        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
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        <TotalCompensationFilingOrgAmt>329395</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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        <FormAndLineReferenceDesc>PART I, LINE 4B</FormAndLineReferenceDesc>
        <ExplanationTxt>ROBERT J. BRINK SUPPLEMENTAL RETIREMENT PLAN $26,000</ExplanationTxt>
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    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERS OF THE BAR AND OTHER INTERESTED PERSONS MAY BE ADMITTED AS PROPRIETORS BY VOTE OF THE TRUSTEES UPON PAYMENT OF SUCH FEES AND SUBJECT TO SUCH TERMS AND CONDITIONS AS THE TRUSTEES MAY ESTABLISH FROM TIME TO TIME.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ANNUAL MEETING OF THE PROPRIETORS SHALL BE HELD WITHIN SIX MONTHS AFTER THE END OF THE CORPORATION'S FISCAL YEAR. THE PURPOSE FOR WHICH THE ANNUAL MEETING IS HELD SHALL BE FOR ELECTING TRUSTEES AND FOR SUCH OTHER PURPOSES AS SHALL BE SPECIFIED IN THE NOTICE OF THE MEETING. THE PRESIDENT, TREASURER, CLERK, AND EXECUTIVE DIRECTOR SHALL BE ELECTED ANNUALLY BY THE TRUSTEES AT THEIR ANNUAL MEETING TO SERVE UNTIL THEIR NEXT ANNUAL MEETING AND UNTIL THEIR RESPECTIVE SUCCESSORS ARE ELECTED AND QUALIFIED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FINANCIAL MANAGER REVIEWS THE FORM 990 FOR COMPLETENESS AND ACCURACY. THE REVIEWED FORM 990 IS THEN FORWARDED TO THE PRESIDENT AND TREASURER OF THE LIBRARY FOR THEIR REVIEW AND SIGNATURES PRIOR TO ITS FILING WITH THE IRS. A COPY OF THE FORM 990 IS ALSO SENT TO EACH TRUSTEE VIA E-MAIL PRIOR TO ITS FILINGS WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH TRUSTEE SHALL BE PROVIDED WITH AND ASKED TO REVIEW A COPY OF THE CONFLICT OF INTEREST POLICY AND TO ACKNOWLEDGE ON THE LIBRARY'S "CONFLICT OF DISCLOSURE FORM" THAT HE OR SHE HAS DONE SO. ANY CHANGES TO THIS POLICY MUST BE APPROVED BY THE BOARD OF TRUSTEES AND COMMUNICATED TO NON-TRUSTEE OFFICERS AND EMPLOYEES. THE ORGANIZATION DISCLOSES ANY RELATED PARTY TRANSACTIONS IN THE ANNUAL AUDITED FINANCIAL STATEMENTS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COMPENSATION OF THE EXECUTIVE DIRECTOR IS APPROVED ANNUALLY BY THE BOARD OF TRUSTEES (OF WHICH THE EXECUTIVE DIRECTOR IS NOT A MEMBER, AND DURING THE PORTION OF A MEETING OF THE BOARD OF TRUSTEES FROM WHICH THE EXECUTIVE DIRECTOR IS EXCUSED). NONE OF THE MEMBERS OF THE BOARD OF TRUSTEES ECONOMICALLY BENEFITS FROM THE COMPENSATION AGREEMENT WITH OR IS A MEMBER OF THE FAMILY OF THE EXECUTIVE DIRECTOR. NO TRUSTEE IS IN AN EMPLOYMENT RELATIONSHIP SUBJECT TO THE DISCRETION OF THE EXECUTIVE DIRECTOR, NOR DOES ANY TRUSTEE RECEIVE COMPENSATION OR OTHER PAYMENTS SUBJECT TO THE EXECUTIVE DIRECTOR'S APPROVAL. NO TRUSTEE HAS A MATERIAL FINANCIAL INTEREST AFFECTED BY ANY TRANSACTION OR ARRANGEMENT WITH THE EXECUTIVE DIRECTOR, AND THE EXECUTIVE DIRECTOR DOES NOT APPROVE ANY TRANSACTION PROVIDING ECONOMIC BENEFITS TO ANY TRUSTEE. IN DETERMINING THE SALARY AND OTHER COMPENSATION OF THE EXECUTIVE DIRECTOR, THE BOARD OF TRUSTEES REVIEWS DATA FOR PERSONS HOLDING POSITIONS WITH COMPARABLE RESPONSIBILITY AT SIMILAR NONPROFIT INSTITUTIONS, AND THE MINUTES OF THE MEETING AND RELATED DOCUMENTATION PREPARED CONTEMPORANOEUSLY REFLECT THE BOARD'S DELIBERATION AND DECISION REGARDING THE EXECUTIVE DIRECTOR'S SALARY AND OTHER COMPENSATION.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE LIBRARY MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC UPON WRITTEN REQUEST OF THE INTERESTED PARTY.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THERE WERE NO CHANGES TO THE ORGANIZATION'S OVERSIGHT OR SELECTION PROCESSES DURING THE YEAR.</ExplanationTxt>
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</Return>