U.S. Government Web Sources
1. The Central Intelligence Agency has placed the full texts of declassified documents concerning UFO's online at the CIA's Popular Document Collection: UFO's Fact or Fiction?
2. The National Security Agency has placed the full texts of recently declassified documents concerning UFOs online at the National Security Agency's UFO Documents Index.
3. The Federal Bureau of Investigation has placed the full texts of recently declassified documents concerning UFOs in PDF format in the "Unusual Phenomena" section of the FOIA Electronic Reading Room.
4. For extensive documentation of UFO investigations, the researcher should consult the records of US Air Force Project Blue Book, located in Record Group 341, at the National Archives and Records Administration, Textual Reference Branch, College Park, MD 20740-6001.
Summary of RG 341.15 RECORDS OF PROJECT BLUE BOOK 1947-69
History: Established as Project Sign by a memorandum from Maj. Gen. L.C. Craigie, Director of Research and Development, Office of the Deputy Chief of Staff, Material, HQUSAF, to Lt. Gen. Nathan F. Twining, Commanding General, Air Materiel Command (AMC), USAF, 30 December 1947. Assigned to Technical Intelligence Division, Intelligence Department, AMC, 22 January 1948; confirmed by Technical Instruction 2185, HQAMC, 11 February 1949, pursuant to a letter from Director of Research and Development, Deputy Chief of Staff, Materiel, HQUSAF, 16 December 1948. Project Grudge terminated, December 1949. Reactivated, 27 October 1951. Redesignated Project Blue Book, March 1952. Air Technical Intelligence Center, transferred from AMC to Office of Director of Intelligence, Deputy Chief of Staff, Operations, 1952. Terminated by Secretary of the Air Force announcement, 17 December 1969.
Textual Records: Records of the Aerial Phenomena Branch, Technical Analysis Division, Air Technical Intelligence Center, Wright-Patterson Air Force Base, Ohio, relating to the Air Force study of unidentified flying objects (UFOs), consisting of case files on alleged UFO sightings, 1947-1969 (61ft.); case files of the 4602d Air Intelligence Service Squadron on alleged UFO sightings, 1954-56; and records relating to the staffing and organization of the project, 1948-67. Records of the Office of the Director of Special Investigations, Office of the Inspector General, HQUSAF, consisting of reports of investigations of alleged UFO sightings, 1948-68.
Motion Pictures (20 reels): Motion pictures received by the Air Force during the project, and forming part of the Aerial Phenomena Branch case files described above, 1950-67.
Sound Recordings (23 items): Interviews with individuals conducted or acquired by the Air Force during the project, and forming part of the Aerial Phenomena Branch case files described above, 1955-67.
Photographs (8,360 images): Sightings of alleged UFOs, forming part of the Aerial Phenomena Branch case files described above, 1954-66 (PBB).
Publications in the Navy Department Library
Bernard, Raymond W. The hollow earth, the greatest geographical discovery in history made by Admiral Richard E. Byrd in the mysterious land beyond the poles, the true origin of the flying saucers. New York: University Books, 1969.
Catoe, Lynn E., and Kay Rodgers. UFOs and related subjects: an annotated bibliography. Detroit: Gale Research Co., 1978.
Corso, Philip J. The Day After Roswell. New York: Pocket Books, 1997.
Davidson, Leon. Flying saucers: an analysis of the Air Force project blue book special report no. 14. Ramsey, N.J.: Ramsey-Wallace Corp., 1966.
Friedman, Stanton T., and Don Berliner. Crash at Corona: the U.S. military retrieval and cover-up of a UFO. New York: Paragon House, 1992.
Friedman, Stanton T. Top secret/MAJIC. New York: Marlowe & Co., 1996.
Hynek, J. Allen. The UFO experience; a scientific inquiry. Chicago: H. Regnery Co., 1972.
Jacobs, David Michael. The controversy over unidentified flying objects in America: 1896-1973. Thesis (Ph.D.) - University of Wisconsin, Madison, 1973.
Keyhoe, Donald E. Aliens from space : The Real Story of Unidentified Flying Objects. Garden City, NY: Doubleday, 1973.
_____. Flying saucers from outer space. New York: Holt, 1953.
Klass, Philip J. UFOs explained. New York: Random House, 1975.
Moore, Charles B. The New York University Balloon Flights During Early June 1947. Socorro, NM: Langmuir Laboratory for Atmospheric Research, New Mexico Institute of Mining and Technology, 1995.
Peebles, Curtis. Watch the skies!: a chronicle of the flying saucer myth. Washington: Smithsonian Institution Press, 1994.
Pflock, Karl T. Roswell: inconvenient facts and the will to believe. Amherst, N.Y.: Prometheus Books, 2001.
Ritchie, David. UFO: the definitive guide to unidentified flying objects and related phenomena. New York: Facts on File, 1994.
Sable, Martin Howard. UFO guide: 1947-1967; containing international lists of books and magazine article[s] on UFO's flying saucers, and about life on other planets; world-wide directories of flying saucer organizations, professional groups and research centers concerned with space research and astronautics, a partial list of sightings, and an international directory of flying saucer magazines. Beverly Hills, Calif: Rainbow Press Co., 1967.
Saler, Benson, Charles A. Ziegler, and Charles B. Moore. UFO crash at Roswell: the genesis of a modern myth. Washington: Smithsonian Institution Press, 1997.
Stonehill, Paul. The Soviet UFO files: paranormal encounters behind the Iron Curtain. Godalming: Bramley, 1998.
Tacker, Lawrence J. Flying saucers and the U.S. Air Force. Princeton, N.J.: Van Nostrand, 1960.
United States. Department of the Air Force. The Roswell Report: Fact Versus Fiction in the New Mexico Desert. Washington: GPO, 1995.
Vallee, Jacques. Anatomy of a Phenomenon: Unidentified Objects in Space--A Scientific Appraisal. Chicago: H. Regnery Co., 1965.
Wilkins, Harold T. Flying saucers on the attack. New York: Citadel Press, 1954.
Selected Published Sources
Adamski, George. Flying Saucers. Farewell. New York: Abelard, 1961.
Azhazha, V. "UFOs: Space Aliens?" Soviet Soldier 12 (Dec. 1991): 67-69.
Beard, Robert Brookes. Flying Saucers, U.F.O's and Extraterrestrial Life: A Bibliography of British Books, 1959-1970. Swindon UK: R. Beard, 1971.
Bearden, Thomas E. A Mind/Brain/Matter Model Consistent with Quantum Physics and UFO phenomena. Ft. Belvoir: Defense Technical Information Center. 1979. https://apps.dtic.mil/dtic/tr/fulltext/u2/a068988.pdf
Bearden, Thomas E. The One Human Problem, Its Solution, and Its Relation to UFO Phenomen. Ft. Belvoir: Defense Technical Information Center, 1977. https://apps.dtic.mil/dtic/tr/fulltext/u2/a034236.pdf
Becker, Louise G. Unidentified Flying Objects: Selected Reference (1966-1968). Washington: Library of Congress, Legislative Reference Service, c1968.
Berlitz, Charles. The Roswell Incident. New York: Grosset& Dunlap, 1980.
Blum, Howard. Out There: The Government's Secret Quest for Extraterrestrials. New York: Simon & Schuster, 1990.
Boikov, R. "Paratroopers and UFOnauts." Soviet Soldier 4 (Apr. 1991): 74-76.
Brennan, Norman. Flying Saucer Books and Pamphlets in English: A Bibliographic Checklist. Buffalo, NY: 1971.
Carlson, David R. "UFOs: The Air Force and the UFOs." Aerospace Historian 22, no.4 (Dec. 1974): 210-217.
Condon, Edward U. Final Report of the Scientific Study of Unidentified Flying Objects. New York: Dutton, 1969 [Commonly known as the Condon Report.]
Cox, Stephen. Military response to UFO activity. Atglen, PA: Schiffer Publishing Ltd, 2012.
Dane, Abe. "Flying Saucers: The Real Story." Popular Mechanics 172, no.l (Jan. 1995): 50-53, 171 .
Davidson, Leon. Flying Saucers: An Analysis of the Air Force Project Blue Book Special Report No. 14. Ramsey NJ: RamseyWallace Corp., 1966.
Good, Timothy. Above Top Secret: The Worldwide UFO Coverup. New York: Morrow, 1987.
Hall, Richard H. ed. The UFO Evidence (Unidentified Flying Objects). Washington: National Investigations Committee on Aerial Phenomena (NICAP), 1964.
Haines, Gerald K. "CIA's Role in the Study of UFOs, 1947-1990" Studies in Intelligence 1, no. 1 (1997): 1-28 [Reprinted in Intelligence and National Security 14, No. 2 (Summer, 1999): 26-49.
_____. "CIA's role in the Study of UFOs, 1947-1990: A Die Hard Issue" Intelligence and National Security 14, no. 2 (Summer 1999): 26-48.
Huyghe, Patrick. The Field Guide to Extraterrestials. New York: Avon Books, 1996.
Jacobs, David Michael. The UFO Controversy in America. Bloomington: Indiana University Press, 1975. [Contains a review of documents from Project Blue Book study files.]
Jung, Carl G. Flying Saucers: A Modern Myth of Things Seen in the Skies. New York: Harcourt, 1959.
Kean, Leslie. UFOs: generals, pilots, and government officials go on the record. New York: Harmony Books, 2010.
Keyhoe, Donald E. Flying Saucers From Outer Space. New York: Holt, 1953. [Keyhoe was the founder of the National Investigations Committee on Aerial Phenomena (NICAP) in 1956. NICAP's board of governors included: VADM R. H. Hillenkoetter, USN (Ret.), the CIA Director May 1947 to October 1950); RADM H.B. Knowles USN (Ret.), a World War II submariner; and LTGEN P.A. del Valle USMC (Ret.), former 1st Marine Division commander. Advisors included CAPT R. B. McLaughlin, author of a 1950 True magazine article on a UFO sighting at White Sands, NM]
_____. Flying Saucers: Top Secret. New York: Putnam, 1960.
Kinder, Gary. Light Years: An Investigation Into the Extraterrestrial Experiences of Eduard Meier. New York: Atlantic Monthly Press, 1987.
Klass, Philip. UFOs: The Public Deceived. New York: Prometheus Books, 1983.
____, The Real Roswell Crashed-Saucer Coverup. Amherst NY: Prometheus Books, 1997.
Korff, Kal K. The Rosewell UFO Crash: What They Don't Want You to Know. Amherst NY: Prometheus Books, 1997.
Long, Ruyi. First UFO Incident for Our Country. Ft. Belvoir: Defense Technical Information Center, 1983.
Lorenzen, C.E. Great Flying Saucer Hoax. New York: William Frederick, 1962.
Mack, John E. Abduction: Human Encounters With Aliens. New York: Scribners, 1994.
McAndrew, James. The Roswell Report: Case Closed. Washington: Headquarters, US Air Force, 1997.
Menzel, Donald Howard World of Flying Saucers: A Scientific Examination of a Major Myth of the Space Age. New York: Doubleday, 1963.
Overall, Zan. Gulf Breeze double exposed: the "ghost-demon" photo controversy. Chicago, IL: J. Allen Hynek Center for UFO Studies, 1990.
Page, Henrietta, M. Flying Saucers: A Bibliography. Aiken, SC: Page, 1975.
Peebles, Curtis. Watch the Skies!: A Chronicle of the Flying Saucer Myth. Washington: Smithsonian Institution Press, 1994.
Pendlow, Gregory W. and Donald E. Welzenbach. The CIA and the U-2 Program, 1954-1974. Central Intelligence Agency, 1998.
Pope, Nick, John Burroughs, and Jim Penniston. Encounter in Rendlesham Forest: the inside story of the world's best-documented UFO incident. New York: Thomas Dunne Books, St. Martin's Griffin, 2015.
Randle, Kevin D. Conspiracy of Silence. New York: Avon Books, 1997.
_____. A History of UFO Crashes. New York: Avon Books, 1995.
_____. Project Blue Book Exposed. New York: Marlowe& Co., 1997.
_____. UFO Crash at Roswell. New York: Avon Books, 1991.
Randle, Kevin D. and Donald R. Schmitt. The Truth About the UFO Crash at Roswell. New York: M. Evans, 1994.
Randles, Jenny. UFO Retrievals: The Recovery of Alien Spacecraft. London: Blandford, 1995.
_____. UFOs and How to See Them. New York: Sterling Publishing Company, 1992.
Rodgers, Kay. Unidentified Flying Objects: A Selected Bibliography. Washington: Library of Congress, 1976.
Ruppelt, Edward J. Report on Unidentified Flying Obiects. New York: Doubleday, 1956.
Shawcross, Tim. The Roswell File: Fifty Years On - The Most Thorough Investigation Yet of the Biggest Alien Story Ever. Osceola, WI: Motorbooks International, 1997.
Spencer, John ed. The UFO Encyclopedia. New York: Avon Books, 1991.
Stover, Dawn. "50 Years After Roswell." Popular Science 250, no.6 (Jun. 1997) : 82-88.
Strieber, Whitley. Communion: The True Story. New York: Morrow, 1987.
Swords, Michael D.UFOs and government: a historical inquiry. San Antonio: Anomalist Books, 2012.
Tacker, Lawrence J. Flying Saucers and the U.S. Air Force. New York: Van Nostrand, 1960.
Tarabrin, A. "Star Wars or Star Peace?: Following the Traces of Flying Saucers." Soviet Soldier 1 (Jan. 1991): 68-70.
Unidentified Flying Objects Bibliography, Newspaper Clippings. Washington: Library of Congress, n.d. [Note: 4 volume set of microfilm covering the period through 1966]
United States. Congress. House. Committee on Armed Services. Unidentified Flying Objects. 89th Cong., 2d sess., 5 April 1966.
United States. Congress. House. Committee on Science and Astronautics. Symposium on Unidentified Flying Objects. 90th Cong., 2d sess., 29 July 1968.
United States. Department of the Air Force. "Unidentified Flying Objects and Air Force Project Blue Book." USAF Fact Sheet 95-03.
United States. General Accounting Office. Results of a Search for Records Concerning the 1947 Crash Near Roswell, New Mexico. Washington: General Accounting Office, 1995. GAO/NSIAD 95187.
United States. Library of Congress, Science and Technology Division, Science Reference Section. Unidentified Flying Objects (UFOS). Washington: GPO, 1991.
Vasilyev, V. "Target: UFO." Soviet Soldier 8 (Aug. 1991): 73-75.
Walters, Edward and Bruce Maccabee. UFO's Are Real: Here's the Proof. New York: Avon Books, 1997.
Walters, Edward and Frances Walters. The Gulf Breeze Sightinqs: The Most Astounding Multiple Sightings of UFO's in U.S. History. New York: William Morrow, 1990.
Warren, Larry. Left at East Gate: A First-hand Account of the Bentwater-Woodbridge UFO Incident, its Cover-up, and Investigation. New York: Marlowe & Co., 1997.
Wilson, Jim. "Roswell Plus 50. "Popular Mechanics 174, no.7 (Jul. 1997): 48-53.
Yan, Liu. The 'UFO' of July 24, 1981: A Discussion with Comrade Zhang Zhousheng. 1983. http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA128307.
Ziegler, Charles A. "UFOs and the US Intelligence Community" Intelligence and National Security 14, no. 2 (summer 1999): 1-25,
This bibliography is intended to provide research assistance only, and does not imply any opinion concerning the subject on the part of the U.S. Navy.