Columbia subject headings:
Hallucinogenic drugs and religious experience--Cross-cultural studies.
Hallucinogenic plants--Cross-cultural studies.
Harvard subject headings:
Hallucinogenic drugs and religious experience--Cross-cultural studies.
Hallucinogenic plants--Cross-cultural studies.
Princeton subject headings:
Hallucinogenic drugs and religious experience--Cross-cultural studies.
Hallucinogenic plants--Cross-cultural studies.