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JFK Research Center

A research reading room for records related to the assassination of President John F. Kennedy, drawn from the U.S. National Archives Catalog.

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Records sourced from the U.S. National Archives Catalog, ABBYY JFK-OCR, and allowlisted primary-source reports. Transcriptions and OCR are machine-generated and may contain errors.

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Scope: This research tool indexes 37,141 records - a curated subset of the ~300,000 documents in the JFK Assassination Records Collection. Releases indexed: 2017-2018, 2021, 2022, 2023, 2025. 2,165 records have full-text OCR indexed - of those, 2,162 are sourced from the 2025 re-release (NARA has not yet published an XLSX manifest for 2025; each document’s prior-release history is shown on its page). Releases not yet indexed: 2026. Methodology

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FBI18,005CIA15,955HSCA1,226Department of Defense315NSA299SSCIA258Senate (Church Committee)253Senate236Department of State79NARA47JCS45U.S. Marine Corps45Department of Justice33U.S. Secret Service32ROCKCOM24WC24ARMY24DOS17LBJ14KISS/SCOW11MATHENY7INSCOM6OSD4BUCHEN/DAN4DUVAL78-673CAR/HARDY3BUCHEN78662DAVIS2CHENEY2

1950 – 2004

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Results for CONCURRENCE OF ADDEES OFFICE HOURS OBSERVED SAME AS COVER MISSION

Results1Current document, mention, or semantic mode Entities32People, agencies, places, and concepts Topics11Curated subject lanes Media0Official JFK Library records TimelineChronology routes for this query QuestionsOpen-question routes

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1963 1

CIA|December 24, 1963|PAPER - TEXTUAL DOCUMENT|NAID 104-10100-10419

SourceCIATextOCR availableRecordNAID 104-10100-10419

CONCURRENCE OF ADDEES OFFICE HOURS OBSERVED SAME AS COVER MISSION

CIA · From: DIRECTOR · To: BOOK MESSAGE (MULTIPLE ADDEES) · JFK33 : F9 : 1996.10.21.12:23:12:810092 : · Release: Redact

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CIA / PAPER - TEXTUAL DOCUMENT

High confidenceOCR textOCRCIAPaper - Textual DocumentRelease 2025