Leon Davidson, 1956: Flying Saucers: An Analysis of the Air Force Blue Book Special Report No. 14, White Plains, NY: Davidson

 

NICAP, 1968: USAF Project Grudge and Blue Book Reports 1-12, Washington, C.C.: NICAP

 

Brad Steiger, 1976: Project Blue Book: The Top Secret UFO Findings Revealed!, New York: Ballantine Books

 

Peter A. Gersten, 1981: What the Government Would Know About UFOs if They Read Their Own Documents, MUFON

 

William Moore (Hrsg.), 1983: The Mystery of the Green Fireballs, Pescott, AR: Moore

 

Berry Greenwood & Lawrence Fawcett, 1984: Clear Intent, Englewood Cliffs, NJ: Prentice Hall

 

William Moore (Hrsg.), 1985: U.S. Department of State Documents on the Scandinavian Ghost Rocket Phenomenon of 1946, Burbank, CA: Moore

 

Clifford E. Stone, 1991: UFOs: Let the Evidence Speak for Itself, Port St. Lucie, FL: Arcturus Books

 

Grant Cameron & T. Scott Crain, 1991: UFOs, MJ-12 and the Government – A Report on Government Involvement in UFO Crash Retrievals, MUFON

 

Clifford E. Stone, 1993: Operation Blue Fly Research Project – Report to Congress, Port St. Lucie, FL: Arcturus Books

 

Kevin D. Randle, 1997: Project Blue Book Exposed, New York: Marlowe & Company

 

Richard H. Hall (Hrsg.), 1998: Project “SIGN”- Air Force Documents 1948-1949, FUOFR (=Fund for UFO Research)

 

Jan Aldrich, 2000: The Ghost Rocket File: Documents and News Articles Concerning Anomalous Objects Seen Over Scandinavia in 1946, FUFOR

 

Larry W. Bryant, 2001: UFO Politics at the White House, Arlington, VA: The Invisible College Press

 

Robert Salas & James Klotz, 2004: Faded Giant – The 1967 Missile/UFO Incidents, Port St. Lucie, FL: Arcturus Books

 

Larry W. Bryant, 2005: UFO Politics at the White House – Citizens Rally ‘Round Jimmy Carter’s Promise, Lakeville Minnesota: Galde Press, Inc.

 

Bruce Maccabee, 2014: The FBI-CIA-UFO Connection: The Hidden UFO Activities of USA Intelligence Agencies, USA: Createspace Independent Publishing Platform

 

Milburn, Franc, 2021: Mideast Security and Policy Studies Paper #183: The Pentagon’s UAP Task Force, unter: https://besacenter.org/uap-task-force/