| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Ayahuasca: Human Consciousness and the Spirits of Nature | 978-1-56025-160-6 (1-56025-160-3) | 1999 | J. C., Ph.D. Callaway · Charles S., M.D. Grob · Dennis J., Ph.D. McKenna |
P. M. · R. P. · Ralph Metzner