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      <MissionDesc>THE MISSOURI HISTORICAL SOCIETY (MHS) IS A MISSOURI PRO FORMA DECREE, NOT-FOR-PROFIT CORPORATION WHOSE PRIMARY FUNCTIONS ARE EDUCATIONAL AND COMMUNITY PROGRAMS; COLLECTIONS AND CONSERVATION; LIBRARY AND RESEARCH; AND EXHIBITIONS. (CONTINUED IN SCHEDULE O) MHS'S MISSION IS TO SERVE AS THE CONFLUENCE OF HISTORICAL PERSPECTIVES AND CONTEMPORARY ISSUES TO INSPIRE AND ENGAGE OUR AUDIENCES.</MissionDesc>
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      <Desc>SOLDIERS MEMORIAL: MHS OPERATES AND MANAGES THE SOLDIERS MEMORIAL MILITARY MUSEUM UNDER AN AGREEMENT WITH THE CITY OF ST. LOUIS. MHS OPENED THE SOLDIERS MEMORIAL AND THE COURT OF HONOR IN NOVEMBER OF 2018 AFTER AN EXTENSIVE $30 MILLION REVITALIZATION AND RENOVATION PROJECT. THE CITY OF ST. LOUIS PARTNERED WITH THE MHS AFTER CONSIDERATION OF OUR EXTENSIVE EXPERIENCE WITH MUSEUM OPERATIONS. THE MHS IS AN ACCREDITED MUSEUM BY THE AMERICAN ALLIANCE OF MUSEUMS. PRIOR TO OPERATIONAL EFFECTS FROM THE COVID-19 PANDEMIC, SOLDIERS MEMORIAL GREETED APPROXIMATELY 35,000 ANNUAL VISITORS- IT HAS NOT YET RETURNED TO THAT LEVEL OF VISITATION, BUT ATTENDANCE IS GRADUALLY IMPROVING.OPERATIONS: SOLDIERS MEMORIAL MILITARY MUSEUM FULFILLS THREE PRIMARY ROLES FOR THE ST. LOUIS COMMUNITY. FIRST, IT SERVES AS A PUBLIC MEMORIAL TO REMEMBER THOSE WHO GAVE THEIR LIVES IN SERVICE. THE MUSEUM BUILDING AND THE OUTDOOR COURT OF HONOR ARE HOME TO MEMORIALS TO WORLD WAR I, WORLD WAR II, THE KOREAN WAR, THE VIETNAM WAR, AND SERVICE MEMBERS WHO HAVE GIVEN THEIR LIVES WHILE IN SERVICE SINCE 1975. SECONDLY, WITH ITS MULTIPLE MEETING ROOMS, SOLDIERS MEMORIAL HOSTS A WIDE ARRAY OF PUBLIC PROGRAMS THAT EDUCATE ON ST. LOUIS' ROLE IN SERVICE SINCE ITS EARLIEST DAYS. IN COLLABORATION WITH EXTERNAL PARTNERS, THE MEETING ROOMS ARE ALSO USED TO PROVIDE DIRECT SERVICES TO VETERANS. THE MEETING ROOMS ARE ALSO USED BY MANY VETERAN SERVICE ORGANIZATIONS FOR THEIR RECURRING MEETINGS. FINALLY, SOLDIERS MEMORIAL SERVES AS A MUSEUM THAT HOSTS A 4,000 SQUARE FOOT PERMANENT GALLERY THAT SHARES THE STORY OF "ST. LOUIS IN SERVICE" FROM THE REVOLUTIONARY WAR THROUGH TODAY. THE MEMORIAL IS ALSO HOME TO A 4,600 SQUARE FOOT TEMPORARY GALLERY WHICH WILL HOST "VIETNAM: AT WAR AND AT HOME" FROM NOVEMBER 11, 2022 THROUGH MAY 27, 2024 SHARING THE EXPERIENCES OF ST. LOUISANS DURING THE VIETNAM WAR.</Desc>
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        <Desc>LIBRARY AND COLLECTIONS AND DIGITAL INITIATIVES: THE MISSOURI HISTORICAL SOCIETY HOLDS THE PREMIER REGIONAL HISTORY COLLECTION DOCUMENTING ST. LOUIS, MISSOURI, THE MISSISSIPPI AND MISSOURI VALLEYS, THE LOUISIANA PURCHASE TERRITORY AND THE AMERICAN WEST. AN INTEGRATED AND MULTI-FORMAT COLLECTION, IT SERVES AN AUDIENCE OF DIVERSE LOCAL, NATIONAL AND INTERNATIONAL READERS AND RESEARCHERS. LIBRARY AND COLLECTIONS AND DIGITAL INITIATIVES INCLUDES THE EXPENSES ASSOCIATED WITH STEWARDSHIP OF THE COLLECTION OVERALL COVERING SALARIES AND SUPPLIES ASSOCIATED WITH CONSERVING, CATALOGING, PROCESSING, HOUSING, DIGITIZING AND MAKING ACCESSIBLE THE COLLECTIONS. MHS COLLECTIONS ARE ACCESSIBLE TO THE PUBLIC THROUGH THE LIBRARY AND RESEARCH CENTER, EXHIBITIONS AT THE MUSEUM AND SOLDIERS MEMORIAL, THROUGH LOANS TO OTHER INSTITUTIONS, OUR ONLINE WEBSITE INCLUDING THE ONLINE COLLECTIONS SEARCH, AND VARIOUS SOCIAL MEDIA PLATFORMS. IN 2021, IN-PERSON VISITATION TO THE LIBRARY AND RESEARCH CENTER WAS STILL GREATLY AFFECTED BY THE CONTINUING COVID PANDEMIC WHICH ACCOUNTED FOR AN 87% DECREASE IN NORMAL ATTENDANCE. AT YEAR'S END THERE WERE 625 IN-PERSON VISITORS. HOWEVER, DUE THE SIGNIFICANT INCREASE IN DIGITAL ACCESS TO THE MHS COLLECTIONS AND INDEXES AVAILABLE TO THE STAFF AND PUBLIC, THE STAFF PIVOTED EASILY TO PROVIDE REMOTE REFERENCE SERVICES TO 4,119 RESEARCHERS VIA PHONE, FAX, MAIL, OR EMAIL, AN 18% INCREASE OVER 2020. THERE WERE 286,460 RESEARCH VISITS TO MOHISTORY.ORG AND 2,180,028 VIEWED PAGES TO OUR MOHISTORY.ORG WEBSITE. THE COLLECTIONS CURRENTLY CONSIST OF MORE THAN 179,000 ARTIFACTS IN A VARIETY OF FORMATS THAT DOCUMENT THE EVERYDAY LIFE OF THE DIVERSE INHABITANTS OF OUR REGION. THE LIBRARY CONTAINS MORE THE 90,000 VOLUMES. THE MANUSCRIPT COLLECTIONS COMPRISE MORE THAT 7,900 LINEAR FEET OF ORIGINAL MANUSCRIPT RECORDS. THE PHOTOGRAPHS AND PRINTS COLLECTIONS CONTAIN MORE THAN 1 MILLION IMAGES. THE SOUND AND MOVING IMAGES COLLECTION INCLUDES MORE THAN 74,000 ITEMS. IN 2021, NORMAL ACTIVE COLLECTING RESUMED FOR ALL MHS COLLECTIONS AFTER BEING SUSPENDED DUE TO THE PANDEMIC. THERE WERE 154 DONATIONS MADE BY DONORS TO THE MHS COLLECTIONS ALONG WITH 9 PURCHASES OF ITEMS USING MHS ACQUISITIONS FUNDS.</Desc>
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        <Desc>EXHIBITIONS: THE MUSEUM PRESENTS A NUMBER OF EXHIBITS EACH YEAR, BOTH PERMANENT AND TEMPORARY. THE TEMPORARY EXHIBITS ARE A COMBINATION OF EXHIBITS THAT FOCUS ON THE ST. LOUIS STORY CREATED BY IN-HOUSE TEAMS AND TRAVELING EXHIBITS THAT TELL NATIONAL AND GLOBAL STORIES DEVELOPED BY THE COUNTRY'S LEADING MUSEUMS. IN THE LAST FEW YEARS, EXHIBITS HAVE FOCUSED ON TOPICS RANGING FROM ST. LOUIS'S CONTRIBUTIONS TO POPULAR MUSIC HISTORY TO MISSOURI'S FIRST FEMALE ARTIST AND HER ROLE AS A HISTORIAN CAPTURING SOME OF THE EARLIEST IMAGES OF THE CITY AND ITS RESIDENTS; HAVE SHOWCASED EVERYTHING FROM A PAINTING GIVEN TO CHARLES LINDBERGH FOR HIS WEDDING TO THE PHOTOGRAPHS THAT WON PULITZER PRIZES; AND HAVE SHARED STORIES OF WHY ST. LOUIS IS CALLED THE GATEWAY TO THE WEST AND HOW ST. LOUIS WOMEN FOUGHT FOR A VOICE EVEN BEFORE THEY HAD THE VOTE AND HOW THEY PLAYED AN INSTRUMENTAL PART IN THE PASSAGE OF THE 19TH AMENDMENT. IN 2021, THE MUSEUM CONTINUED TO REBOUND FROM THE PANDEMIC, SEEING STEADY ATTENDANCE GAINS AND THE RETURN OF MORE SCHOOL GROUPS.</Desc>
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        <Desc>EDUCATION AND COMMUNITY ENGAGEMENT (ECE): THIS DIVISION OFFERS PROGRAMS THAT ENGAGE AND EDUCATE AUDIENCES OF ALL AGES AND ABILITIES. THIS DIVISION INCLUDES THE TEAMS THAT CREATE PROGRAMS THAT APPEAL TO WIDE AUDIENCE, DEVELOPS FIELD TRIPS AND OTHER EDUCATIONAL EFFORTS GEARED TO K-12 STUDENTS, AND COORDINATES OUR PROGRAMS AIMED AT OUR YOUNGEST LEARNERS. IN 2021, THIS TEAM CREATED A MIX OF IN-PERSON AND VIRTUAL PROGRAMS TO SERVE AUDIENCES READY TO RETURN TO THE MUSEUM AND THOSE STILL CAUTIOUS ABOUT PUBLIC EVENTS. 2021 REPRESENTED THE RETURN OF SOME OF OUR MOST POPULAR PROGRAMS INCLUDING DIA DE LOS MUERTOS AND OUR TWILIGHT THURSDAY OUTDOOR CONCERTS. LARGE CROWDS ALSO ENJOYED OUR MIX OF CONCERTS AND LECTURES DURING ST. LOUIS SOUND OPENING WEEKEND. WE LAUNCHED THURSDAY NIGHTS AT THE MUSEUM, A WEEKLY LATE-NIGHT SERIES THAT FEATURES A HAPPY HOUR AND A ROTATING SERIES OF PROGRAMS DESIGNED TO EDUCATE, ENTERTAIN, AND ENGAGE. SCHOOLS BEGAN RETURNING FOR IN-PERSON FIELD TRIPS IN 2021, BUT WE CONTINUED TO OFFER A VARIETY OF ONLINE OPTIONS. PUBLICATIONS: THE PUBLICATIONS DEPARTMENT PROVIDES A NUMBER OF SERVICES FOR THE MUSEUM. IN ADDITION TO PUBLISHING A NUMBER OF BOOKS EACH YEAR (NEW TITLES OR REPRINTS OF BOOKS PREVIOUSLY PUBLISHED BY THE MUSEUM), THEY ALSO PUBLISH AN ANNUAL MEMBERS MAGAZINE AND MAINTAIN AN ONLINE MAGAZINE WITH CONTINUOUSLY CHANGING ARTICLES. THEY PROVIDE EDITING SERVICES FOR OTHER DEPARTMENTS IN THE MUSEUM. IN 2021, THIS DEPARTMENT PUBLISHED MORE THAN ORDINARY: EARLY ST. LOUIS ARTIST ANNA MARIA VON PHUL. THIS BOOK WAS THE FIRST COMPLETE CATALOG OF THE WORK OF MISSOURI'S EARLIEST FEMALE ARTIST AND PROVIDES A GLIMPSE INTO ST. LOUIS LIFE IN THE EARLY NINETEENTH CENTURY.MUSEUM SERVICES AND PUBLIC HISTORY: THE MUSEUM SERVICES AND STRATEGIC INITIATIVES DIVISIONS PROVIDE ADMINISTRATIVE/SUPERVISORY SUPPORT TO LIBRARY AND COLLECTIONS, DIGITAL INITIATIVES, EXHIBITION AND RESEARCH, THE PUBLICATIONS DIVISION, AND MARKETING AND COMMUNICATIONS INCLUDING PARTICIPATION IN STRATEGIC PLANNING EFFORTS, BUDGET OVERSIGHT, BOARD COMMITTEE RESPONSIBILITIES, AND VARIOUS INITIATIVES.</Desc>
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        <Desc>MARKETING AND COMMUNICATIONS DEPARTMENT: THE MARKETING AND COMMUNICATIONS DEPARTMENT PROVIDES MARKETING AND PUBLIC RELATIONS ACTIVITIES FOR THE MISSOURI HISTORY MUSEUM, THE LIBRARY AND RESEARCH CENTER, AND SOLDIERS MEMORIAL MILITARY MUSEUM. ACTIVITIES INCLUDE MEDIA RELATIONS, MARKETING, ADVERTISING, SOCIAL MEDIA, GRAPHIC DESIGN, PROMOTIONS, CRISIS COMMUNICATIONS, ETC. THE MARKETING AND COMMUNICATIONS DEPARTMENT PREPARES AND DISTRIBUTES MEDIA MATERIAL TO PRINT, ELECTRONIC, AND ONLINE MEDIA TO PROMOTE INSTITUTIONAL EXHIBITIONS, EVENTS, PROGRAMS, AND GENERAL AWARENESS. DEPARTMENTAL PERSONNEL COORDINATE ALL INTERVIEWS RELATED TO THE INSTITUTION. THE MARKETING AND COMMUNICATIONS DEPARTMENT STAFF OVERSEES ALL ADVERTISING AND MARKETING OPPORTUNITIES AND PROMOTIONAL PARTNERSHIPS, INCLUDING DEVELOPING MARKETING PLANS, PLACING ALL PAID ADVERTISING RELATED TO THE INSTITUTION; AND ESTABLISHING STRATEGIC MARKETING COLLABORATIONS. THE GRAPHICS TEAM MEMBERS WITHIN THE MARKETING AND COMMUNICATIONS DEPARTMENT DESIGN AND PRODUCE INSTITUTIONAL COLLATERAL MATERIAL; QUARTERLY MEMBER MAGAZINE; BANNERS; BROCHURES; DIRECT MAIL PIECES; POSTERS; WEB-BASED ELECTRONIC PROMOTIONAL AND MARKETING MATERIAL; AND THE SOCIAL MEDIA TEAM WITHIN THE DEPARTMENT COORDINATES THE INSTITUTIONAL PRESENCE ACROSS ALL SOCIAL MEDIA CHANNELS, INCLUDING FACEBOOK, TWITTER, PINTEREST, AND YOUTUBE.</Desc>
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        <Desc>PUBLICATIONS: THE PUBLICATIONS DEPARTMENT PROVIDES A NUMBER OF SERVICES FOR THE MUSEUM. IN ADDITION TO PUBLISHING A NUMBER OF BOOKS EACH YEAR (NEW TITLES OR REPRINTS OF BOOKS PREVIOUSLY PUBLISHED BY THE MUSEUM), THEY ALSO PUBLISH AN ANNUAL MEMBERS MAGAZINE AND MAINTAIN AN ONLINE MAGAZINE WITH CONTINUOUSLY CHANGING ARTICLES. THEY PROVIDE EDITING SERVICES FOR OTHER DEPARTMENTS IN THE MUSEUM. IN 2021, THIS DEPARTMENT PUBLISHED MORE THAN ORDINARY: EARLY ST. LOUIS ARTIST ANNA MARIA VON PHUL. THIS BOOK WAS THE FIRST COMPLETE CATALOG OF THE WORK OF MISSOURI'S EARLIEST FEMALE ARTIST AND PROVIDES A GLIMPSE INTO ST. LOUIS LIFE IN THE EARLY NINETEENTH CENTURY.</Desc>
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        <BusinessName>
          <BusinessNameLine1Txt>CHRISTINA RENZ</BusinessNameLine1Txt>
        </BusinessName>
        <PhoneNum>3144543105</PhoneNum>
        <USAddress>
          <AddressLine1Txt>5700 LINDELL BOULEVARD</AddressLine1Txt>
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          <StateAbbreviationCd>MO</StateAbbreviationCd>
          <ZIPCd>63112</ZIPCd>
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        <PersonNm>LISA MCLAUGHLIN</PersonNm>
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        <PersonNm>MARVIN ANDERSON</PersonNm>
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        <PersonNm>F SCOTT GALT</PersonNm>
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        <PersonNm>DON AVEN</PersonNm>
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        <PersonNm>LOURDES T BALION</PersonNm>
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        <PersonNm>LYNN BECKWITH</PersonNm>
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        <PersonNm>MARIE CASEY</PersonNm>
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        <PersonNm>CHARLIE CLAGGETT</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>S WRAY CLAY</PersonNm>
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        <PersonNm>ANNA ERIKO CROSSLIN</PersonNm>
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        <PersonNm>LJILJANA CVIJANOVIC</PersonNm>
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        <PersonNm>JULIE DUBRAY</PersonNm>
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        <PersonNm>KIM EBERLEIN</PersonNm>
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        <PersonNm>STEVE EHLMANN</PersonNm>
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        <PersonNm>ROBERT W FULSTONE</PersonNm>
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        <PersonNm>MARY P HEGER</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <PersonNm>HEATHER HUNT-RUDDY</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <PersonNm>AMY HUNTER</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <PersonNm>JEFFREY JACOBY</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <PersonNm>RICHARD JENSEN</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <PersonNm>PETER KASTOR</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <PersonNm>DOUGLAS KOCH</PersonNm>
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        <PersonNm>KENNETH KRANZBERG</PersonNm>
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        <PersonNm>PAUL E MARTIN</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <PersonNm>LAUREN NASH MING</PersonNm>
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        <PersonNm>SANDRA M MOORE</PersonNm>
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        <PersonNm>VALERIE PATTON</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <PersonNm>RAYMOND W PETERS II</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <PersonNm>MARY ELLEN PONDER</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <PersonNm>HARRY RATLIFF</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <PersonNm>GREG R RHOMBERG</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <PersonNm>ERIKA SCHENK</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <PersonNm>ANN CADY SCOTT</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <PersonNm>LAURA SHAUGHNESSY</PersonNm>
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        <PersonNm>PATRICK SLY</PersonNm>
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        <PersonNm>AUSTIN TAO</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <PersonNm>MARK UTTERBACK</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>PHOEBE DENT WEIL</PersonNm>
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      <Form990PartVIISectionAGrp>
        <PersonNm>MICHAEL A WOLFF</PersonNm>
        <TitleTxt>TRUSTEE</TitleTxt>
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        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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      <Form990PartVIISectionAGrp>
        <PersonNm>FRANCES LEVINE PH D</PersonNm>
        <TitleTxt>PRESIDENT AND CEO</TitleTxt>
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        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>343060</ReportableCompFromOrgAmt>
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        <OtherCompensationAmt>27471</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>KAREN M GOERING</PersonNm>
        <TitleTxt>MANAGING DIRECTOR - OPERATIONS</TitleTxt>
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        <OtherCompensationAmt>20065</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>CHRISTINA RENZ</PersonNm>
        <TitleTxt>CHIEF FINANCIAL OFFICER</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>166779</ReportableCompFromOrgAmt>
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        <OtherCompensationAmt>13455</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KATHERINE VAN ALLEN</PersonNm>
        <TitleTxt>MANAGING DIRECTOR - MUSEUM</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
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        <OtherCompensationAmt>10489</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>YVETTE HARTSFIELD</PersonNm>
        <TitleTxt>MANAGING DIRECTOR - DEVELOPMENT</TitleTxt>
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        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>174955</ReportableCompFromOrgAmt>
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      <TotalRevenuePerForm990Amt>36156227</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>17790966</TotExpnsEtcAuditedFinclStmtAmt>
      <DonatedServicesUseFcltsAmt>12278</DonatedServicesUseFcltsAmt>
      <OtherExpensesIncludedAmt>23288</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>35566</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>17755400</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>530482</InvestmentExpensesNotIncld2Amt>
      <OtherExpensesNotIncludedAmt>219046</OtherExpensesNotIncludedAmt>
      <ExpensesNotRptFinclStmtAmt>749528</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>18504928</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III, LINE 1A:</FormAndLineReferenceDesc>
        <ExplanationTxt>MHS' RESEARCH COLLECTIONS CONTAIN UNIQUE REGIONAL HISTORY SOURCES AND OBJECTS DOCUMENTING ST. LOUIS, MISSOURI, THE MISSISSIPPI AND MISSOURI VALLEYS, THE LOUISIANA PURCHASE TERRITORY AND THE AMERICAN WEST. AN INTEGRATED AND MULTI-FORMAT COLLECTION, IT SERVES AN AUDIENCE OF DIVERSE LOCAL, NATIONAL AND INTERNATIONAL READERS AND RESEARCHERS. MHS STAFF MEMBERS WORK TO SHARE THE COLLECTIONS IN THE GALLERIES, THROUGH OUR VARIOUS PUBLICATIONS, ONLINE AND THROUGH OUR COMMUNITY AND EDUCATIONAL PROGRAMS. THE VALUE OF THE COLLECTIONS AND LIBRARY HOLDINGS CANNOT BE DETERMINED, AND THEREFORE, IS NOT CAPITALIZED IN THE ACCOMPANYING FINANCIAL STATEMENTS. EACH OF THE ITEMS IN THE COLLECTIONS IS CATALOGUED, PRESERVED AND CARED FOR, AND COLLECTIONS AUDITS ARE PERFORMED REGULARLY. PROCEEDS FROM DEACCESSIONS ARE USED TO ACQUIRE OR CONSERVE OTHER OBJECTS FOR THE COLLECTIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>SEE STATEMENT FOR LINE 1A FOR A DEFINITION OF THE ARTIFACTS IN THE COLLECTION. THE COLLECTION AND THE EXHIBITS, DISCUSSIONS AND RESEARCH OF THESE ITEMS IN THE COLLECTION PROVIDE A REVIEW OF THE PAST AND THE CHOICES MADE IN THE PAST AS A BASIS OF DISCUSSING CURRENT ACTIVITIES AND OPTIONS AND THEIR POSSIBLE IMPACT ON THE FUTURE. THEY CAN PROVIDE THE BASIS FOR ADDRESSING AND SOLVING COMMON PROBLEMS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>MHS USES A SPENDING POLICY OF BETWEEN 3.0 AND 5% OF A TRAILING 13 QUARTER AVERAGE OF THE VALUE OF THE ENDOWMENT TO DETERMINE ANNUAL SPENDING. A PORTION OF THIS SUPPORTS UNRESTRICTED SPENDING COVERING OPERATING EXPENSES. A PORTION IS DESIGNATED FOR TEMPORARILY RESTRICTED SPENDING (I.E. PUBLICATIONS, GALLERIES, EXHIBIT MAINTENANCE) BASED ON DONOR'S INSTRUCTIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>MHS QUALIFIES AS A TAX-EXEMPT ORGANIZATION UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE AND THEREFORE, THERE IS NO PROVISION FOR THE INCOME TAXES. MHS FOLLOWS THE PROVISIONS OF ASC 740-10-25 REQUIRING DISCLOSURE OF UNCERTAIN TAX POSITIONS. THERE HAS BEEN NO INTEREST OR PENALTIES RECOGNIZED IN THE STATEMENTS OF ACTIVITIES NOR IN THE STATEMENTS OF FINANCIAL POSITION RELATED TO UNCERTAIN TAX POSITIONS. IN ADDITION, NO TAX POSITIONS EXIST FOR WHICH IT IS REASONABLY POSSIBLE THAT THE TOTAL AMOUNTS OF UNRECOGNIZED TAX BENEFITS WILL SIGNIFICANTLY INCREASE OR DECREASE WITHIN THE NEXT 12 MONTHS. MHS EVALUATES ITS UNCERTAIN TAX POSITIONS, IF ANY, ON A CONTINUAL BASIS THROUGH REVIEW OF ITS POLICIES AND PROCEDURES, REVIEW OF ITS REGULAR TAX FILINGS, AND DISCUSSIONS WITH OUTSIDE EXPERTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>SPLIT VALUE INTEREST AGREEMENT 81,228.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>MUSEUM SHOP EXPENSES 178,364. SPECIAL EVENT EXPENSES -23,288. RESTAURANT EXPENSES 40,682.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>SPECIAL EVENT EXPENSES 23,288.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>MUSEUM SHOP EXPENSES 178,364. RESTAURANT EXPENSES 40,682.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleG documentId="RetDoc1041200001">
      <MailSolicitationsInd>X</MailSolicitationsInd>
      <EmailSolicitationsInd>X</EmailSolicitationsInd>
      <PhoneSolicitationsInd>X</PhoneSolicitationsInd>
      <InPersonSolicitationsInd>X</InPersonSolicitationsInd>
      <SolicitationOfNonGovtGrantsInd>X</SolicitationOfNonGovtGrantsInd>
      <SolicitationOfGovtGrantsInd>X</SolicitationOfGovtGrantsInd>
      <SpecialFundraisingEventsInd>X</SpecialFundraisingEventsInd>
      <AgrmtProfFundraisingActyInd>1</AgrmtProfFundraisingActyInd>
      <FundraiserActivityInfoGrp>
        <OrganizationBusinessName>
          <BusinessNameLine1Txt>KENNETH NICKLESS</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>4501 ELI DRIVE UNIT I</AddressLine1Txt>
          <CityNm>ST LOUIS</CityNm>
          <StateAbbreviationCd>MO</StateAbbreviationCd>
          <ZIPCd>63128</ZIPCd>
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      <FundraiserActivityInfoGrp>
        <OrganizationBusinessName>
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        <USAddress>
          <AddressLine1Txt>3120 LOCUST STREET</AddressLine1Txt>
          <CityNm>ST LOUIS</CityNm>
          <StateAbbreviationCd>MO</StateAbbreviationCd>
          <ZIPCd>63103</ZIPCd>
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        <GrossReceiptsAmt>0</GrossReceiptsAmt>
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        <NetToOrganizationAmt>-32475</NetToOrganizationAmt>
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      <FundraiserActivityInfoGrp>
        <OrganizationBusinessName>
          <BusinessNameLine1Txt>THE GABRIEL GROUP</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>3190 RIDER TRAIL SOUTH</AddressLine1Txt>
          <CityNm>EARTH CITY</CityNm>
          <StateAbbreviationCd>MO</StateAbbreviationCd>
          <ZIPCd>63045</ZIPCd>
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        <ActivityTxt>FUNDRAISING INITIATIVES</ActivityTxt>
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      <LicensedStatesCd>MO</LicensedStatesCd>
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        <GrossRevenueEvent1Amt>2450</GrossRevenueEvent1Amt>
        <NonCashPrizesEvent1Amt>670</NonCashPrizesEvent1Amt>
        <FoodAndBeverageEvent1Amt>10856</FoodAndBeverageEvent1Amt>
        <EntertainmentEvent1Amt>1425</EntertainmentEvent1Amt>
        <OtherDirectExpensesEvent1Amt>9328</OtherDirectExpensesEvent1Amt>
        <Event2Nm>TRIVIA NIGHT</Event2Nm>
        <GrossReceiptsEvent2Amt>9967</GrossReceiptsEvent2Amt>
        <CharitableContriEvent2Amt>9967</CharitableContriEvent2Amt>
        <CashPrizesEvent2Amt>200</CashPrizesEvent2Amt>
        <OtherDirectExpensesEvent2Amt>809</OtherDirectExpensesEvent2Amt>
        <GrossReceiptsTotalAmt>45967</GrossReceiptsTotalAmt>
        <CharitableContributionsTotAmt>43517</CharitableContributionsTotAmt>
        <GrossRevenueTotalEventsAmt>2450</GrossRevenueTotalEventsAmt>
        <CashPrizesTotalEventsAmt>200</CashPrizesTotalEventsAmt>
        <NonCashPrizesTotalEventsAmt>670</NonCashPrizesTotalEventsAmt>
        <FoodAndBeverageTotalEventsAmt>10856</FoodAndBeverageTotalEventsAmt>
        <EntertainmentTotalEventsAmt>1425</EntertainmentTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>10137</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>23288</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>-20838</NetIncomeSummaryAmt>
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    </IRS990ScheduleG>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <ClubDuesOrFeesInd>X</ClubDuesOrFeesInd>
      <WrittenPolicyRefTAndEExpnssInd>0</WrittenPolicyRefTAndEExpnssInd>
      <SubstantiationRequiredInd>1</SubstantiationRequiredInd>
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <IndependentConsultantInd>X</IndependentConsultantInd>
      <Form990OfOtherOrganizationsInd>X</Form990OfOtherOrganizationsInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>0</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>FRANCES LEVINE PH D</PersonNm>
        <TitleTxt>PRESIDENT AND CEO</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>19294</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>8177</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>370531</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>KAREN M GOERING</PersonNm>
        <TitleTxt>MANAGING DIRECTOR - OPERATIONS</TitleTxt>
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        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
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        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>8021</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>219978</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>YVETTE HARTSFIELD</PersonNm>
        <TitleTxt>MANAGING DIRECTOR - DEVELOPMENT</TitleTxt>
        <BaseCompensationFilingOrgAmt>174955</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>9747</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>7802</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>192504</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>CHRISTINA RENZ</PersonNm>
        <TitleTxt>CHIEF FINANCIAL OFFICER</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>5856</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
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        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>180234</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>KATHERINE VAN ALLEN</PersonNm>
        <TitleTxt>MANAGING DIRECTOR - MUSEUM</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>9632</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>857</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>172197</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JODY SOWELL</PersonNm>
        <TitleTxt>MANAGING DIRECTOR - PUBLIC HISTORY</TitleTxt>
        <BaseCompensationFilingOrgAmt>147304</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>8557</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>7752</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>163613</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>MHS PAYS FOR A MEMBERSHIP TO THE ST. LOUIS CLUB FOR DR. LEVINE FOR FUNDRAISING AND CULTIVATION.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleM documentId="RetDoc1042900001">
      <SecuritiesPubliclyTradedGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>11</ContributionCnt>
        <NoncashContributionsRptF990Amt>1351689</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FMV</MethodOfDeterminingRevenuesTxt>
      </SecuritiesPubliclyTradedGrp>
      <HistoricalArtifactsGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>154</ContributionCnt>
        <NoncashContributionsRptF990Amt>0</NoncashContributionsRptF990Amt>
      </HistoricalArtifactsGrp>
      <AnyPropertyThatMustBeHeldInd>0</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>1</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>1</ThirdPartiesUsedInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, COLUMN (B):</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION REPORTS THE NUMBER OF CONTRIBUTIONS FOR SECURITIES AND THE NUMBER OF ITEMS RECEIVED FOR HISTORICAL ARTIFACTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 32B:</FormAndLineReferenceDesc>
        <ExplanationTxt>COMMERCE BANK SELLS THE STOCK GIFTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 33:</FormAndLineReferenceDesc>
        <ExplanationTxt>MHS' RESEARCH COLLECTIONS CONTAIN EXTENSIVE REGIONAL HISTORY OBJECTS AND ARTIFACTS DOCUMENTING THE HISTORY OF ST. LOUIS, MISSOURI, THE MISSISSIPPI AND MISSOURI RIVER VALLEYS AND THE AMERICAN WEST. THE DIVERSE COLLECTION SERVES A BROAD AUDIENCE OF LOCAL, NATIONAL AND INTERNATIONAL SCHOLARS, RESEARCHERS AND INDIVIDUALS INTERESTED IN LOCAL AND REGIONAL HISTORY. MHS SHARES THE COLLECTION THROUGH REGULAR EDUCATIONAL AND PUBLIC PROGRAMS, EXHIBITIONS, PUBLICATIONS AND ON-LINE OFFERINGS AND APPLICATIONS. THE VALUE OF THE MUSEUM AND LIBRARY COLLECTIONS CANNOT BE DETERMINED AND ARE THEREFORE NOT CAPITALIZED IN THE ACCOMPANYING FINANCIAL STATEMENTS. OBJECTS IN THE COLLECTIONS ARE INVENTORIED, CATALOGUED AND PRESERVED. COLLECTIONS AUDITS ARE PERFORMED REGULARLY. ANY PROCEEDS FROM DEACCESSIONS ARE RESTRICTED FOR THE ACQUISITION OR CONSERVATION OF OTHER OBJECTS FOR THE COLLECTIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FEDERAL FORM 990 IS PREPARED BY AN INDEPENDENT PUBLIC ACCOUNTING FIRM WITH INFORMATION PROVIDED BY THE FINANCE DEPARTMENT. IT IS THEN REVIEWED BY THE PRESIDENT, THE CHIEF FINANCIAL OFFICER, THE MANAGING DIRECTOR OF ADMINISTRATION &amp; OPERATIONS, THE AUDIT COMMITTEE, AND THE FULL BOARD OF TRUSTEES PRIOR TO THE SUBMISSION OF THE FEDERAL FORM 990 TO THE INTERNAL REVENUE SERVICE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ANNUALLY, ALL MEMBERS OF THE GOVERNING BOARD AND KEY EMPLOYEES ARE REQUIRED TO PREPARE A CONFLICT OF INTEREST DISCLOSURE. ALL DISCLOSURES ARE REVIEWED BY LEGAL COUNSEL AND ANY POTENTIAL CONFLICTS OF INTEREST ARE PRESENTED TO THE BOARD OF TRUSTEES. ALL MEMBERS OF THE GOVERNING BOARD AND KEY STAFF ARE REQUIRED TO UPDATE THEIR DISCLOSURE STATEMENTS IF CIRCUMSTANCES CHANGE. ONCE A YEAR, LEGAL COUNSEL REVIEWS THE LEGAL AND FIDUCIARY RESPONSIBILITIES OF BOARD MEMBERSHIP WITH THE TRUSTEES. IN ADDITION, ALL MHS EMPLOYEES REVIEW AND SIGN A CONFLICT OF INTEREST STATEMENT AND THE MHS CODE OF ETHICS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE JOINT EXECUTIVE COMPENSATION COMMITTEE, CONSISTING OF EQUAL NUMBERS OF MISSOURI HISTORICAL SOCIETY TRUSTEES AND MISSOURI HISTORY SUBDISTRICT COMMISSIONERS, HAVE THE RESPONSIBILITY OF REVIEWING AND RECOMMENDING THE COMPENSATION OF THE PRESIDENT AND CEO OF THE MISSOURI HISTORICAL SOCIETY. THE CURRENT PRESIDENT AND CEO BEGAN WORK ON APRIL 15, 2014 UNDER A COMPENSATION AGREEMENT PREPARED BY THE JOINT EXECUTIVE COMPENSATION COMMITTEE AND APPROVED BY THE BOARD OF TRUSTEES. THE REVIEW AND APPROVAL OF THE COMPENSATION FOR THE PRESIDENT AND CEO AND SENIOR MANAGEMENT IS CONDUCTED IN ACCORDANCE WITH SECTION 4958 OF THE INTERNAL REVENUE CODE WITH RESPECT TO THE COMPARABLE INSTITUTIONS, BOTH LOCALLY AND NATIONALLY, AS WELL AS A REVIEW OF THE PERFORMANCE OF EACH MANAGER. THE JOINT EXECUTIVE COMPENSATION COMMITTEE HOLDS AT LEAST TWO MEETINGS ANNUALLY, ONE TO REVIEW COMPARABLE INFORMATION, PERFORMANCE, AND TO DEVELOP RECOMMENDATIONS, AND THE SECOND MEETING IS TO CONFIRM THE DECISION PRIOR TO REPORTING TO THE BOARD OF TRUSTEES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>MHS MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS AVAILABLE ON THE MUSEUM'S WEBSITE OR UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>SPLIT VALUE INTEREST AGREEMENT 81,228.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2C</FormAndLineReferenceDesc>
        <ExplanationTxt>NO CHANGE FROM PRIOR YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
