Declassified Documents Reference System

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The Declassified Documents Reference System is a full-text database of previously classified documents that have been declassified by the Federal government. The database covers major international events from the Cold War to the Vietnam War and beyond, and includes material in the fields of history, political science, international relations, American studies, United States foreign and domestic policy studies, journalism and more. Documents from such agencies as the Federal Bureau of Investigation, the Central Intelligence Agency, the Justice Department, the State Department, the National Security Agency, and the White House are included.


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Dates covered

Largely post-World War II to the early 1990s, with some documents dating back to the early decades of the Twentieth Century, and up to the early years of the Twenty-first Century.

Updating frequency



Cabinet meeting minutes, CIA intelligence studies and reports, correspondence, diaries, Joint Chiefs papers, National Security Council policy statements, political analyses, Presidential conferences, technical studies, and other archival material.

Type of coverage

Full text images, with some text blacked out by the issuing agency for security reasons.

Print counterpart or
related resources

Declassified Documents Catalog (title varies), Alexander REF J83.D51 [1975-1996]; Declassified Documents Reference System (title varies), Alexander M-FICH 215 [through 2003]

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Core Subject(s)

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