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Metzner, R., Darling, D. C. (eds.) 2006 (1st ed. 2004) Sacred mushroom of visions: teonanácatl. A sourcebook on the psilocybin mushroom. Park Street Press. 293 pp.
Tart, Charles T. 2008. Teadvuse seisundid. Väike Vanker, 400 lk. (Originaal: States of Consciousness, 1975)
McKenna, Terence 1992. Food of the Gods – the search for the original tree of knowledge. New York, Bantam Books.
Leary, Timothy 1995 (1st ed. 1968) High Priest. Ronin Publishing, 384 pp.
teine maailm 