| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Liquid Conspiracy: JFK, LSD, the CIA, Area 51 & UFOs | 978-0-932813-57-2 (0-932813-57-7) | 1999 | |
| Secrets of the Holy Lance: The Spear of Destiny in History & Legend | 978-1-931882-43-9 (1-931882-43-6) | 2005 | Jerry E. Smith |