This is a small selection of quality sources for introductory information about psychedelics.
RESEARCH & EDUCATION ORGANIZATIONS
The Beckley Foundation is a charitable trust that promotes the investigation of consciousness and its modulation from a multidisciplinary perspective. It supports world-class research into the science, health, politics and history of practices used to alter consciousness, ranging from meditation to the use of psychoactive substances.
The Drug Policy Alliance (DPA) is the nation’s leading organization of people who believe the war on drugs is doing more harm than good. The DPA fights for drug policies based on science, compassion, health and human rights.
The Heffter Research Institute conducts research of the highest scientific quality with psychedelic substances in order to contribute to a greater understanding of the mind, leading to the improvement of the human condition, and the alleviation of suffering.
ICEERS is an international non-profit organization dedicated to transforming society's relationship with psychedelic plants.
Imperial PRG The Psychedelic Research Group at Imperial focuses on two main research areas: the action of psychedelic drugs in the brain, and their clinical utility, e.g. as aides to psychotherapy, with a particular focus on depression. The group is lead by Dr Robin Carhart-Harris.
The Multidisciplinary Association for Psychedelic Studies (MAPS) is a 501c3 non profit organization dedicated to promoting medical research with psychedelics.
Erowid Center is a member-supported organization providing access to reliable, non-judgmental information about psychoactive plants and chemicals and related issues.
How To Change Your Mind by Michael Pollan
Acid Test: LSD, Ecstasy, and the Power to Heal by Tom Shroder
Shroom: A Cultural History of the Magic Mushroom by Andy Lechter, Ph.D.
Storming Heaven by Jay Stevens
The Varieties of Psychedelic Experience by REL Masters, Ph.D. and Jean Houston, Ph.D.
LSD: My Problem Child by Albert Hofmann, Ph.D.