Literature: some books and writings on the subject-
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| Title | Author/s | First Published | ISBN |
| Plants of the Gods | Richard Evan Schultes & Albert Hoffman | 1979 | 0-89281-406-3 |
| Psychedelics Encyclopedia | Peter Stafford | 1982 | 0-914171-51-8 |
| Ayahuasca - Hallucinogens, Consciousness and the Spirit of Nature | Ralph Metzner | 1999 | 1-56025-160-3 |
| In Search of the Ultimate High | Nicholas and Anja Saunders, Michelle Pauli | 2000 | 0-71267087-4 |
| Iboga (Slovenia) | Amon Knut ml | 1994 | 961-90159-0-8 |
| The Ibogaine Story | Paul de Rienzo, Dana Beal et al | 1997 | 1-57027-029-5 |
| Tricycle Buddhist Review Issue 21 | 1996 | ||
| Persephone's Quest | R.Gordon Wasson et al | 1986 | 0-300-05266-9 |