Topics
Themes, substances, practices, and intellectual traditions across the archive.
Anthropology
Ethnographers and anthropologists who studied psychoactive plants in ritual, healing, and social life.
Ayahuasca
Ayahuasca, yagé, caapi, and their alkaloids, from Amazonian practice to laboratory chemistry and court cases.
Cannabis
Cannabis and hashish in medicine, psychiatry, literature, and self-experiment.
Counterculture
The 1960s and 70s psychedelic movement: its leaders, publications, churches, and quarrels.
Ethnobotany
The botanical study of psychoactive plants and the people who use them.
Government research
Drug research, investigations, and reports produced by governments.
Indigenous knowledge
Indigenous practice and knowledge of psychoactive plants, including the outside records that describe it.
LSD
LSD from its first clinical studies in 1947 through therapy, military testing, and the counterculture.
Mescaline
Mescaline, the alkaloid of peyote, in self-experiments, pharmacology, and psychiatric research.
Military
Military testing of psychedelics as incapacitating agents, and its later investigation.
Nitrous oxide
Nitrous oxide from Humphry Davy's experiments to William James's metaphysics.
Pharmacology
Chemistry, isolation, and physiological study of psychoactive substances.
Showing 24 of 24 current topics
Specific Tags
Additional labels used on source records. These pages are generated from current tags and list matching sources without implying a curated editorial topic.