Green Psychology Cultivating a Spiritual Connection with the Natural World Metzner Ralph Heftet / 1999 / Engelsk
Sacred Mushroom of Visions A Sourcebook on the Psilocybin Mushroom Metzner Ralph Heftet / 2005 / Engelsk
Searching for the Philosophers' Stone Encounters with Mystics, Scientists, and Healers Metzner Ralph Heftet / 2019 / Engelsk
Overtones and Undercurrents Spirituality, Reincarnation, and Ancestor Influence in Entheogenic Psychotherapy Metzner Ralph Heftet / 2017 / Engelsk
ALLIES for AWAKENING Guidelines for productive and safe experiences with entheogens Metzner Ralph Heftet / 2015 / Engelsk
Well of Remembrance Rediscovering the Earth Wisdom Myths of Northern Europe Metzner Ralph Heftet / 2013 / Engelsk
Birth of a Psychedelic Culture Conversations About Leary, the Harvard Experiments, Millbrook and the Sixties Dass Ram Heftet / 2011 / Engelsk
Maps of Consciousness The Classic Text on Exploring the Mind and Expanding Awareness Metzner Ralph Heftet / 2023 / Engelsk
Psychedelic Experience A Manual Based on the Tibetan Book of the Dead Leary, Timothy Heftet / 2022 / Engelsk
Psychedelic Reader Classic Selections from the Psychedelic Review, The Revolutionary 1960's Forum of Psychopharmacological Substanc Leary, Timothy Heftet / 2021 / Engelsk
Psychedelic Experience A Manual Based on the Tibetan Book of the Dead Metzner Ralph Heftet / 2008 / Engelsk
Ayahuasca Experience A Sourcebook on the Sacred Vine of Spirits Metzner Ralph Heftet / 2014 / Engelsk
Psychedelic Reader Classic Selections from the Psychedelic Review, The Revolutionary 1960's Forum of Psychopharmacological Substances Leary, Timothy LydCD / 2021 / Engelsk
Psychedelic Reader Classic Selections from the Psychedelic Review, The Revolutionary 1960's Forum of Psychopharmacological Substances Leary, Timothy LydCD / 2021 / Engelsk
Healing with Entactogens Therapist and Patient Perspectives on Mdma-Assisted Group Psychotherapy Passie Torsten Heftet / 2023 / Engelsk
Seeking Your Loved One on the Other Side Communications with the Invisible Universe McKay Matthew Heftet / 2025 / Engelsk
