Erowid Psychoactive Vaults - Information on entheogens, psychedelics, and hallucinogens including traditional, spiritual, and responsible use, chemistry, effects, experiences, images, research, legislation, media coverage, bibliographies and links. The Albert Hofman Foundation - Homepage of the inventor of LSD. Contains articles, information about projects, reviews, and a virtual museum tour. Ask Dr. Shulgin - Information about psychedelics, entheogens, empathogens (MDMA, Ecstasy), from a pharmacologist and chemist. Serendipity: Psychedelics - Articles on psychedelic mushrooms and DMT (with field notes on DMT experiences); LSD and Ketamine trip reports; preservation of dried psilocybin mushrooms; links to other documents concerning psychedelics. HPPDonline.com - Information and message boards for people with Hallucinogen Persisting Perception Disorder (flashbacks). Tryptamind - Resource on psychoactive, psychedelic and hallucinogenic plants and the pharmacological effects of their active chemical constituents. The Psychedelic Library - Menu of articles, research papers, books, and essays on LSD, peyote, psilocybin, and the use of psychedelic drugs in research, therapy, religion and personal growth. Original Kleptonian Neo-American Church - The Psychedelian church founded in 1965 by Art Kleps. Includes text of "Millbrook: A Narrative of the Early Years of American Psychedelianism" and offers the book for sale. HPPD: Hallucinogen Persisting Perception Disorder - Information, treatment, and forums for sufferers of HPPD (Hallucinogen Persisting Perception Disorder), also known as flashbacks, which happens to some users of psychedelic drugs.