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        <RelatedOrExemptFuncIncomeAmt>39712</RelatedOrExemptFuncIncomeAmt>
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      <TotalProgramServiceRevenueAmt>131862</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>113572</TotalRevenueColumnAmt>
        <ExclusionAmt>113572</ExclusionAmt>
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      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>124000</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
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        <SecuritiesAmt>60090</SecuritiesAmt>
        <OtherAmt>87859</OtherAmt>
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        <ExclusionAmt>-23949</ExclusionAmt>
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      <ContriRptFundraisingEventAmt>16129</ContriRptFundraisingEventAmt>
      <FundraisingDirectExpensesAmt>45192</FundraisingDirectExpensesAmt>
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        <TotalRevenueColumnAmt>0</TotalRevenueColumnAmt>
      </NetIncmFromFundraisingEvtGrp>
      <OtherRevenueMiscGrp>
        <Desc>OTHER REVENUE</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>1580</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>1580</RelatedOrExemptFuncIncomeAmt>
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        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
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        <FundraisingAmt>2605</FundraisingAmt>
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        <EOYAmt>4103830</EOYAmt>
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        <EOYAmt>50880</EOYAmt>
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        <EOYAmt>94373</EOYAmt>
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      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
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        <EOYAmt>241271</EOYAmt>
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        <EOYAmt>8262482</EOYAmt>
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      <TotLiabNetAssetsFundBalanceGrp>
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        <EOYAmt>8356855</EOYAmt>
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      <NetUnrlzdGainsLossesInvstAmt>298783</NetUnrlzdGainsLossesInvstAmt>
      <DonatedServicesAndUseFcltsAmt>30000</DonatedServicesAndUseFcltsAmt>
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      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
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        <CurrentTaxYearMinus3YearsAmt>600062</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>581074</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>486247</CurrentTaxYearMinus1YearAmt>
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      <GrossReceiptsAdmissionsGrp>
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      <AmountsRcvdDsqlfyPersonGrp>
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      <InvestmentIncomePYPct>0.16070</InvestmentIncomePYPct>
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        <ContributorBusinessName>
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        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
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      <HistoricStructureInd>X</HistoricStructureInd>
      <WrittenPolicyMonitoringInd>1</WrittenPolicyMonitoringInd>
      <CollectionUsedPubExhibitionInd>X</CollectionUsedPubExhibitionInd>
      <CollUsedScholarlyRsrchInd>X</CollUsedScholarlyRsrchInd>
      <CollectionUsedPreservationInd>X</CollectionUsedPreservationInd>
      <CollUsedLoanOrExchProgInd>X</CollUsedLoanOrExchProgInd>
      <SolicitedAssetsSaleInd>0</SolicitedAssetsSaleInd>
      <LandGrp>
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        <BookValueAmt>847611</BookValueAmt>
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      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>4707948</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>1824718</DepreciationAmt>
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      <EquipmentGrp>
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      <OtherLiabilitiesOrgGrp>
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      <OtherLiabilitiesOrgGrp>
        <Desc>LEASE LIABILITY</Desc>
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      <FootnoteTextInd>X</FootnoteTextInd>
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      <DonatedServicesAndUseFcltsAmt>30000</DonatedServicesAndUseFcltsAmt>
      <OtherRevenueAmt>45192</OtherRevenueAmt>
      <RevenueNotReportedAmt>373975</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>1090144</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>1090144</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>882449</TotExpnsEtcAuditedFinclStmtAmt>
      <OtherExpensesIncludedAmt>45192</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>45192</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>837257</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>837257</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART II, LINE 5:</FormAndLineReferenceDesc>
        <ExplanationTxt>WRITTEN POLICY REQUIRES MONITORING OF THE CONSERVATION EASEMENT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART II, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY DOES NOT REPORT CONSERVATION EASEMENTS IN ITS STATEMENT OF FINANCIAL POSITION OR STATEMENT OF ACTIVITIES. THE SOCIETY HAS 1 CONSERVATION EASEMENT AND IT IS NON-CERTIFIED. UNDER THE NEW JERSEY HISTORIC TRUST EASEMENT (THE "AGREEMENT") BETWEEN THE SOCIETY AND THE STATE OF NEW JERSEY BY THE DEPARTMENT OF COMMUNITY AFFAIRS, THE SOCIETY IS OBLIGATED TO PRESERVE THE UPDIKE FARMSTEAD, LOCATED IN PRINCETON, NEW JERSEY, IN ITS CURRENT STATE, WITH THE EXCEPTION OF ALLOWANCES FOR CERTAIN BUILDING STRUCTURES, AS DEFINED IN THE AGREEMENT. THE STATE OF NEW JERSEY PROVIDES GRANT MONIES TO FUND PRESERVATION COSTS. IF THE UPDIKE FARMSTEAD IS ALTERED OUTSIDE OF THE ALLOWED VARIANCES, OR IF THE PROPERTY IS NOT MAINTAINED IN GOOD CONDITION, THE STATE OF NEW JERSEY MAY REQUIRE REPAYMENT BY THE SOCIETY OF ALL MONIES RECEIVED UNDER THE AGREEMENT IN THE PRIOR YEARS, WHICH AMOUNTED TO $605,825. THE EASEMENT AGREEMENT EXPIRES SEPTEMBER 27, 2042.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE HISTORICAL SOCIETY OF PRINCETON ACTIVELY COLLECTS AND PRESERVES A DIVERSE ARRAY OF HISTORICAL MATERIAL, WHICH IT MAKES ACCESSIBLE TO THE PUBLIC THROUGH EXHIBITIONS, RESEARCH SERVICES, LOANS, AND PUBLIC PROGRAMS. IN SO DOING, HSP ENSURES HISTORICAL ARTIFACTS AND DOCUMENTS ARE PRESERVED FOR FUTURE GENERATIONS AND THAT HISTORICAL KNOWLEDGE IS DISSEMINATED, FURTHERING HSP'S EDUCATION AND PRESERVATION MISSION. IN CONFORMITY WITH THE PRACTICE FOLLOWED BY MANY HISTORICAL SOCIETIES, THE COST OR VALUE OF ART OBJECTS, ANTIQUES AND PRINCETONIAN MEMORABILIA PURCHASED AND DONATED IS NOT INCLUDED IN THE STATEMENTS OF FINANCIAL POSITION. THE COST OF OBJECTS PURCHASED FOR THE COLLECTIONS AND EXHIBITS IS REPORTED AS A SEPARATE PROGRAM EXPENSE IN THE STATEMENTS OF ACTIVITIES. THE SOCIETY'S POLICY ON DEACCESSIONS IS IN ACCORDANCE WITH THAT OF OTHER HISTORICAL SOCIETIES. THE SOCIETY WILL FOLLOW REGULATED PROCEDURES BY FIRST ADHERING TO THE DONOR'S RESTRICTIONS, IF ANY, AND THEN TO THE BOARD'S DESIGNATIONS AND PROCESS ON HOW THE DEACCESSION IS TO BE HANDLED, WHICH IS BASED ON A SLIDING SCALE DETERMINED BY THE VALUE OF THE OBJECT. PROCEEDS FROM THE DEACCESSION WILL BE INCLUDED IN THE STATEMENTS OF ACTIVITIES AND PLACED IN AN INVESTMENT ACCOUNT DESIGNATED BY THE BOARD OF TRUSTEES, WHICH ACCOUNT IS INCLUDED IN THE STATEMENTS OF FINANCIAL POSITION, TO BE USED FOR COLLECTION PURCHASES, CARE AND RESTORATION. THE SOCIETY FOLLOWS THE PROVISIONS OF ASU 2019-03, UPDATING THE DEFINITION OF COLLECTIONS (TOPIC 958). ALL PROCEEDS FROM DEACCESSIONED OBJECTS SHALL BE DEPOSITED IN A RESTRICTED ACCOUNT TO BE USED EXCLUSIVELY FOR ACQUISITIONS OR DIRECT CARE OF THE SOCIETY'S PERMANENT COLLECTION. IN ADDITION TO ACQUIRING NEW OBJECTS, DEACCESSION FUNDS CAN BE USED FOR DIRECT CARE WHICH THE SOCIETY DEFINES AS AN OBJECT NEEDING CONSERVATION WHICH WOULD REQUIRE A RECOMMENDATION BY THE CURATOR WITH FULL BOARD APPROVAL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY IS A SOCIETY DESCRIBED UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE (THE "CODE") AND IS THEREFORE EXEMPT FROM FEDERAL INCOME TAXES UNDER SECTION 501(A) OF THE CODE. THE SOCIETY IS ALSO EXEMPT UNDER TITLE 15 OF THE STATE OF NEW JERSEY CORPORATIONS AND ASSOCIATIONS NOT FOR PROFIT ACT. ACCORDINGLY, NO PROVISION FOR FEDERAL OR STATE INCOME TAX HAS BEEN PRESENTED IN THE ACCOMPANYING FINANCIAL STATEMENTS. THE SOCIETY FOLLOWS THE PROVISIONS OF FASB ASC, INCOME TAXES. THE STANDARD PRESCRIBES A MINIMUM RECOGNITION THRESHOLD AND MEASUREMENT METHODOLOGY THAT A TAX POSITION TAKEN OR EXPECTED TO BE TAKEN IN A TAX RETURN IS REQUIRED TO MEET BEFORE BEING RECOGNIZED IN THE FINANCIAL STATEMENTS. IT ALSO PROVIDES GUIDANCE FOR DERECOGNITION, CLASSIFICATION, INTEREST AND PENALTIES, ACCOUNTING IN INTERIM PERIODS, DISCLOSURE, AND TRANSITION AS THEY RELATE TO THOSE TAX POSITIONS. THE SOCIETY DOES NOT EXPECT A SIGNIFICANT INCREASE OR DECREASE TO THE TOTAL AMOUNTS OF UNRECOGNIZED TAX POSITIONS DURING THE YEAR ENDED DECEMBER 31, 2025. HOWEVER, THE SOCIETY IS SUBJECT TO AUDIT BY TAX AUTHORITIES, INCLUDING A REVIEW OF ITS NONPROFIT STATUS, WHICH MANAGEMENT BELIEVES WOULD BE UPHELD UPON EXAMINATION. NONETHELESS, THE AMOUNTS ULTIMATELY PAID, IF ANY, UPON RESOLUTION OF THE ISSUES RAISED BY THE TAXING AUTHORITIES MAY DIFFER MATERIALLY FROM THE AMOUNTS ACCRUED FOR EACH YEAR. AS REQUIRED BY LAW, THE SOCIETY FILES INFORMATIONAL RETURNS WITH BOTH THE UNITED STATES FEDERAL AND STATE OF NEW JERSEY JURISDICTIONS ON AN ANNUAL BASIS- FORM 990 WITH THE INTERNAL REVENUE SERVICE, AND FORM CRI-300R WITH THE STATE. THESE RETURNS ARE SUBJECT TO EXAMINATION BY THESE AUTHORITIES WITHIN CERTAIN STATUTORILY DEFINED PERIODS FROM THE LATEST FILING DATE FOR FEDERAL AND FOR THE STATE OF NEW JERSEY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>SPECIAL EVENTS DIRECT EXPENSES 45,192.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>SPECIAL EVENTS DIRECT EXPENSES 45,192.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleG documentId="RetDoc1041300001">
      <FundraisingEventInformationGrp>
        <Event1Nm>NIGHT UNDER THE STARS</Event1Nm>
        <GrossReceiptsEvent1Amt>61321</GrossReceiptsEvent1Amt>
        <CharitableContriEvent1Amt>16129</CharitableContriEvent1Amt>
        <GrossRevenueEvent1Amt>45192</GrossRevenueEvent1Amt>
        <OtherDirectExpensesEvent1Amt>45192</OtherDirectExpensesEvent1Amt>
        <GrossReceiptsTotalAmt>61321</GrossReceiptsTotalAmt>
        <CharitableContributionsTotAmt>16129</CharitableContributionsTotAmt>
        <GrossRevenueTotalEventsAmt>45192</GrossRevenueTotalEventsAmt>
        <OthDirectExpnssTotalEventsAmt>45192</OthDirectExpnssTotalEventsAmt>
        <DirectExpenseSummaryEventsAmt>45192</DirectExpenseSummaryEventsAmt>
        <NetIncomeSummaryAmt>0</NetIncomeSummaryAmt>
      </FundraisingEventInformationGrp>
    </IRS990ScheduleG>
    <IRS990ScheduleM documentId="RetDoc1042900001">
      <WorksOfArtGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>1</ContributionCnt>
        <MethodOfDeterminingRevenuesTxt>N/A</MethodOfDeterminingRevenuesTxt>
      </WorksOfArtGrp>
      <HistoricalArtifactsGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>1</ContributionCnt>
        <MethodOfDeterminingRevenuesTxt>N/A</MethodOfDeterminingRevenuesTxt>
      </HistoricalArtifactsGrp>
      <OtherNonCashContriTableGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <Desc>ARCHIVAL RECORDS</Desc>
        <ContributionCnt>1</ContributionCnt>
        <NoncashContributionsRptF990Amt>0</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>N/A</MethodOfDeterminingRevenuesTxt>
      </OtherNonCashContriTableGrp>
      <AnyPropertyThatMustBeHeldInd>0</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>1</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>0</ThirdPartiesUsedInd>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 IS REVIEWED BY MANAGEMENT AND THE AUDIT COMMITTEE WITH COMMENTS PROVIDED BACK TO THE OUTSIDE ACCOUNTING FIRM. THE FORM 990 IS PROVIDED TO THE FULL BOARD AT A LATER DATE FOR THEIR INFORMATION AND PROVIDED A VERY SHORT OPPORTUNITY TO COMMENT IF DESIRED. THEN THE FORM 990 IS FILED WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>HISTORICAL SOCIETY OF PRINCETON CURRENTLY HAS IN PLACE A CONFLICT OF INTEREST POLICY WHICH IT REGULARLY MONITORS AND ENFORCES. THE BOARD MANDATES THAT ALL MEMBERS OF MANAGEMENT AND THE GOVERNING BODY ANNUALLY SIGN A CONFLICT OF INTEREST POLICY AND DISCLOSE ANY POTENTIAL OR ACTUAL CONFLICTS THAT MAY EXIST. IF A POTENTIAL OR ACTUAL CONFLICT OF INTEREST EXISTS, GOVERNING BODY AND MANAGEMENT WILL INVESTIGATE THE ISSUE. IF A CONFLICT OF INTEREST IS DETERMINED TO EXIST MANAGEMENT AND THE GOVERNING BODY WILL BE NOTIFIED IMMEDIATELY. THE MEMBER WILL NOT BE ALLOWED TO VOTE OR BE A PART OF ANY DECISIONS ABOUT ANY SUCH TRANSACTIONS THAT HAVE TO DO WITH THE CONFLICT UNTIL SUCH TIME THAT THERE IS NO LONGER A CONFLICT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COMPENSATION OF THE ORGANIZATIONS OFFICERS OR KEY EMPLOYEES IS REVIEWED AND APPROVED BY THE BOARD OF TRUSTEES, AN INDEPENDENT BODY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>HISTORICAL SOCIETY OF PRINCETON MAKES ITS FORM 990 AVAILABLE FOR PUBLIC INSPECTION AS REQUIRED UNDER SECTION 6104 OF THE INTERNAL REVENUE CODE UPON WRITTEN REQUEST AT THE ORGANIZATIONS OFFICE AT 354 QUAKER ROAD, PRINCETON, NJ 08540. IN ADDITION FORM 1023 AS WELL AS THE FINANCIAL STATEMENTS, AND CONFLICT OF INTEREST POLICY ARE AVAILABLE UPON WRITTEN REQUEST AT THE ORGANIZATIONS OFFICE AT 354 QUAKER ROAD, PRINCETON, NJ 08540.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 PART XI, LINE 2C</FormAndLineReferenceDesc>
        <ExplanationTxt>THERE WAS NO CHANGE FROM THE PRIOR YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>