If you have questions about psychedelics, marijuana, or drug policy and you can't find the answers here, we recommend these other sites (organized by category below).

You can also browse our Free Books and Essays for additional material.

Allies and Research Institutes

Alternative Therapies and Consciousness Studies

Associate Websites (Members and Friends)


Note: These links are for educational purposes only. These sites have requested inclusion on this list, and MAPS does not specifically recommend these services over others. We urge interested parties to thoroughly research available options to select the service that is best for you.

Books, Tapes, CDs, DVDs and Publications


Classic Articles, Recommended Reading and Viewing

Consciousness Studies

Drug and Entheogenic Plant Resources

Drug Policy

Friends and Researchers

Holotropic Breathwork


Media Resources

Online Forums

Psychedelic Artists

Psychedelic Biochemistry

Psychedelic Culture and Philosophy

Psychedelic Societies

Shamanism, Botany, and Ecology