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1
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Unidentified flying objects Sightings and encounters -- See Also the narrower term Human-alien encounters
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1
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4
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Unidentified flying objects -- Sightings and encounters -- Canada -- History -- 20th century : Search for the unknown : Canada's UFO files and the rise of conspiracy theory / Matthew Hayes
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2022
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1
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5
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Unidentified flying objects -- Sightings and encounters -- Great Britain. : Circular evidence : a detailed investigation of the flattened swirled crops phenomenon / Pat Delgado & Colin Andrews
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1989
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1
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7
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Unidentified flying objects -- Sightings and encounters -- History -- 20th century : After the flying saucers came : a global history of the UFO phenomenon / Greg Eghigian
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2024
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1
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8
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Unidentified flying objects -- Sightings and encounters -- Juvenile fiction. : Cam Jansen and the mystery of the UFO / David A. Adler ; illustrated by Susanna Natti
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1981
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1
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10
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Unidentified flying objects -- Sightings and encounters -- New Zealand -- Kaikoura County. : The Kaikoura UFOs / Bill Startup, with Neil Illingworth
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1980
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1
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12
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Unidentified flying objects -- Sightings and encounters -- Southwest, New : Louis Theroux's weird weekends. Series 1. Episode 2, UFOs / written & presented by Louis Theroux ; produced & directed by Debbie Geller
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2007
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1
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13
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Unidentified flying objects -- Sightings and encounters -- United States : We the people / by Harry S. Truman, Frank Blair and Robert A. Taft
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1952
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1
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