| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Animals and Psychedelics: The Natural World and the Instinct to Alter Consciousness | 978-0-89281-986-7 (0-89281-986-3) | 2002 | Robert Montgomery | |
| Halluzinogene im Mythos | 978-3-907080-31-3 (3-907080-31-9) | 1998 | ||