See also:
 | - The Peyote Foundation - Dedicated to the protection and promotion of the peyote cactus and its sacramental use..
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 | - União do Vegetal - Personal account of a Unaio do Vegetal service from a book about spiritual uses of psychoactives by Nicholas Saunders.
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 | - Web of Possibilities - Contains historical information and other resources on the use of hallucinogens for spiritual awakening and growth. Includes bibliographies on the use of hallucinogens in shamanic religions..
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