| 1. Ask Dr. Shulgin |
| Information about psychedelics, entheogens, empathogens (MDMA, Ecstasy), from a pharmacologist and chemist. |
| http://www.cognitiveliberty.org/shulgin/ |
| 2. Cluster Busters |
| Information regarding the use of hallucinogenic substances for the treatment of cluster headaches and other vascular headaches. |
| http://www.clusterbusters.com/faq.html |
| 3. 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. |
| http://www.erowid.org/psychoactives/psychoact... |
| 4. 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. |
| http://www.stormloader.com/hppd/ |
| 5. HPPDonline.com |
| Information and message boards for people with Hallucinogen Persisting Perception Disorder (flashbacks). |
| http://www.hppdonline.com/ |
| 6. 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. |
| http://www.serendipity.li/trypt.html |
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| 7. Status of Ololiuhqui in Mexico |
| Describes picietl, peyotl, teonanactl, and ololuihqui, four divinatory plants. Article by R. Gordon Wasson. |
| http://pages.prodigy.com/GBonline/liquix.htm |
| 8. The Albert Hofman Foundation |
| Homepage of the inventor of LSD. Contains articles, information about projects, reviews, and a virtual museum tour. |
| http://www.hofmann.org/ |
| 9. 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. |
| http://www.psychedelic-library.org/ |
| 10. Trip Magazine |
| A mainstream publication for about psychedelics. |
| http://www.tripzine.com/ |
| 11. Tryptamind |
| Resource on psychoactive, psychedelic and hallucinogenic plants and the pharmacological effects of their active chemical constituents. |
| http://www.tryptamind.com/ |
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