Cosimo Classics · Llewellyn Publications
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Celtic Mysteries in New England | 978-1-56718-357-3 | 2000 | Marianne Horrigan |
| Celtic Mysteries Windows to Another Dimension in America's Northeast | 978-1-59605-225-3 | 2005 | " |
| Interdimensional Universe: The New Science of UFOs, Paranormal Phenomena and Otherdimensional Beings | 978-0-7387-1347-2 | 2008 | |
| Night Siege: The Hudson Valley UFO Sightings | 978-1-56718-362-7 | 1998 | J. Allen Hynek · Bob Pratt |