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Jenny Randles. UFO Study; A Handbook for Enthusiasts. Robert Hale, 1981.
Keith Basterfield. Close Encounters of the Australian Kind: UFOs the Image Hypothesis, Including a Full Catalogue of Sightings. Reed (Sydney) 1981.
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Timothy Good. Unearthly Disclosure: Conflicting Interests in the Control of Extraterrestrial Intelligence, Century, London, 2000. 🔻
Ron Halliday. UFO Scotland, B&W Publishing, Edinburgh, 1998.🔻
David Coomer. The UFO Investigator's Guide, Blandford, 1999.🔻
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Curtis Sutherly. UFO Mysteries: A Reporter Seeks the Truth. Llewellyn, 2001.
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Jean-Claude Bourret. The Crack in the Universe: What You Have Not Been Told About Flying Saucers. Translated by Gordon Creighton. Spearman, 1977.
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Proceedings of the 2nd National Research and Investigation Conference, Birmingham, 5-7 November 1976. BUFORA, 1978.
Ted Bloecher. Close Encounters of the Third Kind. BUFORA, 1978.
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Preston Dennett. Extraterrestrial Visitations: True Accounts of Contact, Llewellyn. 2001.
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Preston Dennett. Extraterrestrial Visitations: True Accounts of Contact, Llewellyn. 2001.
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Hilary Evans and Dennis Stacy (editors) Fortean Times Book of UFOs 1947-1997. John Brown, 1997.
Peter Brookesmith. UFO: The Complete Sighting Catalogue. Blandford, 1995.
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Tony Dodd. Alien Investigator: The Case Files of Britain's Leading UFO Detective, Headline, 1999.
Isobel Davis, Ted Bloecher and Leonard Stringfield. Close Encounter at Kelly and Others of 1955. Center UFO Studies, 1977.🔻