Hampton Roads Publishing Company
| title | ISBN-13 | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Medizinische Psychologie und Medizinische Soziologie | 978-3-541-12492-3 | 1994 | Friedrich-Wilhelm Wilker · Claus Bischoff | |
| Original Christianity: A New Key To Understanding The Gospel of Thomas And Other Lost Scriptures | 978-1-57174-445-6 | 2005 | ||
| The Division of Consciousness: The Secret Afterlife of the Human Psyche | 978-1-57174-053-3 | 1997 | ||
| The Lost Secret of Death: Our Divided Souls and the Afterlife | 978-1-57174-324-4 | 2003 | ||