Livres comme The silver bridge
Autres livres de Gray Barker
They knew too much about flying saucers1956
Visitors From Lanulos1971- Oh, Hear Ye! the Trump of the Super-DeceiverOh, Hear Ye! the Trump of the Super-Deceiver2016
- Strange Case of Dr. M. K. JessupStrange Case of Dr. M. K. Jessup2014
- Beyond the Pale HorseBeyond the Pale Horse2018
- UFO Contact from Itibi-RaUFO Contact from Itibi-Ra2006
- Strange Case of Dr. M. K. Jessup (Original Edition)Strange Case of Dr. M. K. Jessup (Original Edition)1974
- John Keel's Book of UFOsJohn Keel's Book of UFOs2018
Flying Saucer to the Center of Your Mind2013
Men in Black1983- Night the Earth Stood StillNight the Earth Stood Still2021
- Visitors from Lanulos (Original Edition)Visitors from Lanulos (Original Edition)2021