Ufo Phenomenon

Chrysalis

Phenomenon (Deluxe Edt.)                        

Video Delta

Phenomenon                                      

Schiffer

The UFO Phenomenon: Should I Believe? (English Edition)

The UFO Phenomenon: Questions and Answers (English Edition)

PARLOPHONE

The Complete Studio Albums (1974-1986)          

Star

UFO Phenomenon                                  

Not Rated

UFOs Do Not Exist: Grand Deception & Cover Up of UFO Phenomenon

Omnigraphics Inc

The Emergence of a Phenomenon: Ufos from the Beginning Through 1959: 2

Llewellyn Publications

The UFO Phenomenon: Fact, Fantasy and Disinformation

Frederick Guttmann

Wandering Stars, The History of the UFO Phenomenon