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This is Government Attic's posting of a 1969 Library of Congress annotated bibliography, UFOs and Related Subjects, compiled by Lynn E. Catoe for the Air Force Office of Scientific Research. The Defense Technical Information Center released it under FOIA in November 2014. The bibliography lists more than 1,600 items and was requested to support the University of Colorado UFO study led by Edward U. Condon. Its preface concludes that no simple, single explanation of the UFO phenomenon applies to all cases.
“Scientific American”22 pages
Tacker, Lawrence J. Flying !Jaucers and the u. s. Air Force. Princeton, N, J. , Van Nostrand, 1960. 164 p. .\uthor, !1 former UNAF piblic information officer on UFOs, dlscusses UFO sightings reported to Aerosi-.ce Technical Intelligence Center (Project Blue Book), Wright Patterson Air Force Base, from Summer 1947 through Summer 1960 in attemit to demonstrate that, in general, they were? misinterpretations of known objects. He also gives history of USAF's research effort m•.o UFO J,ilenomena, including Project Saucer and P:roject Ol'Udge. Tyler, Steven. Are the invaders com!ng? New York, Tower Publications, 1968. 139 p. Survey of basic UFO literature such as Edward Ruppelt's wi•ltings, and extracts from the publications of NICAP and APRO. Supports the "Air F .irce conspiracy" hypothesis. "UFOs"--they're back in new sizes, shapes, colors. U. s. news & world report, v. 61, Aug. 22, 1966: 59-60. Of 1966 UFO sightings, USAF officials say: (l) more variety in sizes and shapes is reported; (2) there are lights of all kinds c~:ieomita.'lt with sightings; (3) UFOs seem to be noisier than in the JBSt; (4) appearance of objects allegedly seen during daylight hours is invariably that of some llght-t.'.c.lored metal; (5) movement of reported UFOs continues to be erratic; (6) no "little green men" have appearod; (7) sightings have been concenti-a•ed more in the northeastern u. s. than in the past; and (8) objects ex.JU.bit apparent tendency to follow power lines. U.S. Air Force. Aids to identification of flying objects. Washington, D. C., U. s. Govt. Print. Off. , 1968. 35 p. Introduction is a brief history of UFO reports and studies and provides some information on scientific observations and analyses; the section "Aids to Identification of Flyin~ Objects" gives in-depth information on flying objects and natural phenomena; the "Questions and Answers" section responds to many of the questions commonly asked about UFOs. U.S. Air Force. Air Materiel Command. Unidentified aerial objects; Project Sign. Dayton, Ohio, Wright-Patterson Air F.:>rce Base, 1949, 35 p. (Its Technical Report No. F-TR-2274-IA} Descriptive and analytical study of 243 domestic and 30 foreign reported UFO sightings between 1947 and 1948. Individual cases are described in brief form as an appendix. Methods and reasoning applied in evaluating data are presented. Project Sign was initiated by the Technical Intelligence Division, Air Materiel Command, on January 22, 1948. ----- Unidentified flying objects; Project Grudge. Dayton, Ohio, Wright-Patterson Air Force Base, 1949, 366 p. (Its Technical Report No. 102-AC 49/15100) 45
Document, cited by the archive. The PDF is mirrored here; the original link is under it. 419 pages are in the text index: search them above, or from the library's search.