Roberto La Paglia
Canale Youtube / Youtube Channel
https://www.youtube.com/c/FrontiereProibite
Aa.Vv. Extraterrestrials and aliens
Aa.Vv. Alien abductions
Alex Collier - Defending sacre ground
Allen Hynek - The Hynek Ufo report
Andrew Collins - The Forbidden Legacy of a Fallen Race
Art Greenfield - Warning Alien Agenda Revealed
Barry H. Downing - The Bible and Flying Saucers
Billy Meier - First Contact
Brad Johnson - Lyra Earth Connection
Brad Steiger - Strangers From The Skies
Bud_Hopkins_-_Sight_Unseen
Branton - The Dulce Book
Budd Hopkins - Missing Time
Carl Sagan - Cosmos
Clifford Stone - UFOs Are Real
Colin Andrews - Crop Circles Signs of Contact
Courtney Brown - Cosmic Explorers
Coral Lorenzen - The Startling Evidence of the Invasion From Outer Space
D.A.J. Seargent - UFOs A Scientific Enigma