Filer's Files - Worldwide Reports of UFO Sightings

-- https://www.mediafire.com/file/evo87o56z8ihkl0/Filer%27s_Files_Worldwide_Reports_of_UFO_Sightings.pdf/file

Fact, Fiction & Flying Saucers by Stanton Friedman & Kathleen Marden

-- https://www.mediafire.com/file/bu493362sljvtyb/Fact-_Fiction-_and_Flying_Saucers.epub/file

Secret_of_the_Ages_UFOs_From_Inside_the_Earth by Brinsley Le Poer Trench

-- https://www.mediafire.com/file/4ktuc0yvkrgtd4p/Brinsley_Le_Poer_Trench_-_Secret_of_the_Ages_UFOs_From_Inside_the_Earth.pdf/file

Evolutionary Metaphors: By David J. Moore

-- http://www.mediafire.com/file/ywx7jlekui5zalz/Evolutionary_Metaphors_UFOs%252C_New_Existentialism_and_the_Future_Paradigm.epub/file

American Cosmic - UFOs, Religion, Technology by D.W. Pasulka

-- https://www.mediafire.com/file/t2huvd7sdd8ky0s/American_Cosmic_UFOs%2C_Religion%2C_Technology.pdf/file

Wonders in the Sky - Jacques Vallee and Chris Aubeck

--- https://www.mediafire.com/file/5e1753wngs4g5mh/The_Wonders_in_the_Sky__%28Epub%29.epub/file

The UFO Files by David Clarke

-- https://www.mediafire.com/file/hlbbsftgojdjk5l/THE_UFO_Files_by_David_Clarke.epub/file