Enteogen adalah sebuah substansi psikoaktif yang menimbulkan pengalaman spiritual yang ditujukan untuk pengembangan atau pemakaian keramat.[1] Istilah enteogen sering kali dipilih untuk membedakan diri dari pemakaian rekreasional dari obat-obatan yang sama.
Harner, Michael, The Way of the Shaman: A Guide to Power and Healing, Harper & Row Publishers, NY 1980
Rätsch, Christian; "The Psychoactive Plants, Ethnopharmacology and Its Applications"; Park Street Press; Rochester Vermont; 1998/2005; ISBN978-0-89281-978-2
Roberts, Thomas B. (editor) (2001). Psychoactive Sacramentals: Essays on Entheogens and Religion San Francisco: Council on Spiritual Practices.
Roberts, Thomas B. (2006) "Chemical Input, Religious Output—Entheogens" Chapter 10 in Where God and Science Meet: Vol. 3: The Psychology of Religious Experience Westport, CT: Praeger/Greenwood.
Carl Ruck and Danny Staples, The World of Classical Myth 1994. Introductory excerpts
Huston Smith, Cleansing the Doors of Perception: The Religious Significance of Entheogenic Plants and Chemicals, 2000, Tarcher/Putnam, ISBN1-58542-034-4
Daniel Pinchbeck,"Ten Years of Therapy in One Night", The Guardian UK (2003), describes Daniel's second journey with Iboga facilitated by Dr. Martin Polanco at the Ibogaine Association clinic in Rosarito, Mexico.
Giorgio Samorini 1995 "Traditional use of psychoactive mushrooms in Ivory Coast?" in Eleusis 1 22-27 (no current url)