Subject heading
Unidentified flying objects
208 books carry this heading. It is a source-library term, kept as recorded; related traditions and headings below are drawn from co-occurrence, not editorial judgment.
Related traditions
Related subjects
- Sightings and encounters79
- Alien abduction30
- Human-alien encounters27
- Unidentified flying objects, sightings and encounters26
- History24
- Text21
- Life on other planets19
- Ovnis18
- Parapsychology18
- United States18
- Non-fiction literature17
- UFO17
- Curiosities and wonders15
- Ufon15
- Extraterrestrial beings10
- Occultism10
- Fiction9
- Observations et rencontres9
- Flying saucers8
- Government policy8
Books
Open in Browse208 books
Era
Hacia una física de los OVNI
F. Aréjula
1973Spanish
A covert agenda
Nicholas Redfern
1997
Abductions
Edith Fiore
1989
Aleister Crowley and the Aeon of Horus
Paul Weston
2009
Bringing UFOs down to earth
Philip J Klass
1997
Dark white
Jim Schnabel
1995
Disclosure
Steven M Greer
2010
Flying saucers over America
Gordon B Arnold, ProQuest
2022
Gifts of the gods?
John Spencer
1994
Jenseits von Roswell
Michael Hesemann
1996
Of no defence significance?
John M Jenkins
1997
Paranormal
Jack Wolfsblume
2011
Projekt UFO
William Allen Harbinson
1995
Realms of the unreal
J. M Ippolito
2010
The Gods have landed
James R Lewis
1995
The boys from Topside
Wilbert B. Smith
1969
Tomorrow's technology today
Norman R. Bergrun
1972
True hallucinations
Terence K. McKenna
1993
UFO
Peter Brookesmith
1995
UFO
Bill Yenne
2007
UFOs
Ron Halliday
1997
UFOs
Robert C Trundle
2000
Ilha de Colares na Amazônia
Agildo Monteiro
2017Portuguese
Manifiesto OVNI de Puerto Rico, Santo Domingo y Cuba
Sebastián Robiou Lamarche
1979Spanish