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the Cornell University Library. There are no known copyright restrictions in the United States on the use of the text.

This 406-page CIA History Staff monograph, authored by Gregory W. Pedlow and Donald E. Welzenbach and published by the CIA History Staff in Washington, D.C. in…

This 85-page compilation, released by the U.S. Department of War as part of its UAP records release, documents the work of the USAF Scientific Advisory Board's…

Released by the U.S. Department of War as item DOW-UAP-D096, this file contains correspondence concerning Project Blue Book, the U.S. Air Force's UFO investiga…

This file is a scanned handwritten letter released by the U.S. Department of War as item DOW-UAP-D096 within a collection of correspondence relating to Project…

This file, released by the U.S. Department of War in a 2026 UFO records disclosure, is a Department of the Air Force document associated with the USAF Scientif…

This U.S. Air Force fact sheet (95-03), current as of June 1995, describes Project Blue Book, the Air Force program that investigated Unidentified Flying Objec…

This document is the first volume of the third edition (London, 1737) of Isaac Littlebury's English translation of Herodotus's Histories, printed for a consort…

This 14-page document is a reproduction of a general article, 'Enhancing Human Performance: An Evaluation of New Age Techniques Considered by the U.S. Army,' a…

This file is Project Blue Book Special Report No. 14, dated 5 May 1955 and produced by the Air Technical Intelligence Center at Wright-Patterson Air Force Base…

This file is the master index (Everything.20171105.hash_index.txt) for the CIA's November 2017 release of the Abbottabad compound material — the trove of digit…

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According to the releasing agencies, this is a 1971 Australian Department of Defence intelligence and scientific review of the United States Air Force Project…

This declassified CIA document, hosted in the CIA Reading Room (DOC_0000015338), is a compilation of 1952 memoranda, draft National Security Council directives…

This monograph, authored by NRO historian Gerald K. Haines and released via a Black Vault FOIA-related archive, chronicles CIA engagement with the UFO phenomen…

,4C CIA memter internal memPhysics and Electronics division memto the assistant Director for Scientific Intelligence, dated December 1953, summarizing the curr…

This December 1953 memorandum provides a status update on the Air Force's UFO project activities, including ongoing intelligence operations, equipment procurem…

This file compiles the records of the CIA Office of Scientific Intelligence's Scientific Advisory Panel on Unidentified Flying Objects, chaired by H. P. Robert…

This unclassified extract from the CIA journal Studies in Intelligence, authored by Major Hector Quintanilla, Jr., surveys the history and methodology of offic…

According to the CIA, this August 1967 document reports on conversations held with Soviet scientists on the subject of unidentified flying objects during a US…

This CIA document, released via the CIA Reading Room, is an internal memorandum framed around three questions concerning UFOs, using the answers as sub-heading…

This 26-page Top Secret document, dated 8 August 1962 and prepared for a policy meeting of the Special Group (Augmented), was authored by Brig. Gen. Edward G.…

This file is a CIA internal handbook annex describing the '201 System,' the Agency's method for identifying, filing, and controlling information on persons of…

This file is Part 3 of a multi-part COVID-19 records release published by the Office of the Director of National Intelligence and declassified by DNI Tulsi Gab…