Source Doc PDF from Air Force Office of Scientific Research, Office of Aerospace Research, stamped received July 1, 1969

"UFOs, and Related Subjects" An Annotated Bibliography. Library of Congress, Lynn E. Catoe AD668332, AFOSR 88-1656 It's a PDF, I appear to have messed up the link, sorry. It's over 400 pages, even includes cartoons.

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