John Keel's Book of UFOsRaymond A. Palmer, Andrew Colvin, John A. Keel, Brad Steiger, Gray Barker, Brent Raynes, Peter Guttilla, Dennis Stamey · First published 2018Open the Tome
Saucer News Vol. 17, Number 1, Spring 1970 (Whole Number 75)Gray Barker, Dennis Stamey, Richard Pratt, Gene Duplantier, John Keel · First published 1970Open the Tome
