Links relevant to the Hefter Research Institute:

  • The World Wide Web Psychedelic Bibliography
  • PiHKAL
  • TiHKAL
  • E is for Ecstasy
  • Albert Hofman's "LSD-My Problem Child"
  • The Psychedelic Library
  • Erowid's Psychoactive Vaults
  • The Beckley Foundation

  • Charles T. Tart's archive of articles on the internet at: http://issc-taste.org/index.shtml
  • Psymon's Psychedelic Bibliography
  • The Peyote Foundation
  • The Albert Hofmann Foundation
  • Mkzdk
  • Flashback Books
  • The Biggest Ideas.Com - Changing How We See, Changing How We Act
  • Ngoma: Traditional healing and emtheogen use in South Africa
  • The Serotonin Club