Ralph Metzner

Bilinen yapımları

• DMT: The Spirit Molecule (2010)
• Salvia Divinorum: A Western Approach (2022)
• Peyote to LSD: A Psychedelic Odyssey (2008)
• LSD: Problem Child and Wonder Drug (2009)
• The Way of the Psychonaut (2020)
• Hofmann's Potion: The Pioneers of LSD (2002)
• The Psychedelic Experience (1965)
• Neurons to Nirvana (2013)
• Entheogen: Awakening the Divine Within (2006)
• How To Go Out of Your Mind: The LSD Crisis (1966)
• Signs Out of Time: The Life of Archaeologist Marija Gimbutas (2004)
• Turn On, Tune In, Drop Out (1967)