Books about Unidentified flying objects (sorted by popularity)
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Displaying results 1–6
- The Report on Unidentified Flying Objects Edward J. Ruppelt 265 downloads
- The Flying Saucers are Real Donald E. Keyhoe 207 downloads
- The World of Flying Saucers: A Scientific Examination of a Major Myth of the Space Age Donald H. Menzel and Lyle Gifford Boyd 179 downloads
- Federal Bureau of Investigation FOIA Documents - Unidentified Flying Objects United States. Federal Bureau of Investigation 109 downloads
- USAF Fact Sheet 95-03 United States. Air Force 91 downloads
- The Flying Saucers are Real Donald E. Keyhoe 40 downloads
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Displaying results 1–6