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Unidentified flying objects (64)
Science fiction (18)
Civilization, Ancient › Extraterrestrial influences (18)
Unidentified flying objects › Sightings and encounters (13)
Horror tales (6)
Unidentified flying objects › Sightings and encounters › New Mexico › Roswell (5)
Science › Miscellanea (5)
Archaeology (4)
Unidentified flying objects › Sightings and encounters › United States (4)
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UFO, fiction (36)
aliens, weird (35)
fortean, weird (28)
fortean, new age (25)
aliens, religion (22)
abduction, aliens (20)
alien, conspiracy (20)
fiction, fortean (19)
fiction, fortean, non-fiction (19)
fortean, non-fiction (18)
history, paranormal (18)
abduction, alien (15)
fortean, history (15)
Tag info: ufo
Includes: ufo, ufo's, ufos (what?)
Tag and its aliases used 5,041 times by 766 users.![]()
Most often tagged ufo
- Communion: A True Story by Whitley Strieber (51)
- The Day After Roswell by Col. Philip J. Corso (35)
- Chariots of the Gods by Erich von Däniken (33)
- Transformation: The Breakthrough by Whitley Strieber (28)
- Flying Saucers-Serious Business by Frank Edwards (25)
- Flying Saucers by Carl Jung (24)
- Alien Agenda: Investigating the Extraterrestrial Presence… by Jim Marrs (24)
- The Mothman Prophecies by John A. Keel (21)
- Above Top Secret: The Worldwide U.F.O. Cover-Up by Timothy Good (18)
- Close Encounters Of The Fourth Kind: Alien Abduction, UFOs,… by C. D. B. Bryan (17)
- Passport to Magonia: On UFOs, Folklore, and Parallel Worlds by Jacques Vallee (17)
- Top Secret/majic by Stanton T. Friedman (17)
- Dimensions: A Casebook of Alien Contact by Jacques Vallee (15)
- Intruders by Budd Hopkins (15)
- Mysteries of the Unknown: The UFO Phenomenon by Time-Life Books (15)
- The Report on Unidentified Flying Objects by Edward J. Ruppelt (14)
- Inside the Flying Saucers by George Adamski (14)
- Abduction: Human Encounters with Aliens by John E. Mack (14)
- The UFO Experience: A Scientific Inquiry by J. Allen Hynek (14)
- UFOs and the National Security State: Chronology of a… by Richard M. Dolan (14)










