The Psychedelic Experience 2000, Citadel Press, New York, NY

ISBN-13: 9780806516523

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Psychedelic Experience 1983, Carol Publishing Corporation, New York

ISBN-13: 9780806505527

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Psychedelic Experience Academy Editions Ltd (a division of John Wiley & Sons Ltd.), London (7 Holland St., W.8)

ISBN-13: 9780902620216

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