John Matthews
Self
| Ancient Almanac: The Holy Grail(2001)as Self |
| The Holy Grail(1999)as Self |
| History's Mysteries(1998)as Self |
| Nazis: The Occult Conspiracy(1998)as Self - author on Grail mythology |
| Ancient Mysteries(1994)as Self |
| Ancient Almanac: The Holy Grail(2001)as Self |
| The Holy Grail(1999)as Self |
| History's Mysteries(1998)as Self |
| Nazis: The Occult Conspiracy(1998)as Self - author on Grail mythology |
| Ancient Mysteries(1994)as Self |