.
- A general introduction to Ayahuasca
- Ayahuasca, Yagé and Harmaline
- Datura and Brugmansia species as Sacred Plants and Medicines
- Do Psychedelic Drugs Mimic Awakened Kundalini?. Hallucinogen Survey Results
- En busca del hongo mágico
- Etnociencias y yagé
- Hallucinogenic Drugs in Psychiatric Research and Treatment
- History of Entheogens
- Human Psycopharmacology of Hoasca, a plant hallucinogen used in ritual context in Brazil
- Jurema-Preta (Mimosa tenuiflora [Willd.] Poir.): a review of its traditional use, phytochemistry and pharmacology
- Macropiper Excelsum - Maori Kava
- Marihuana
- Mushroom Identification
- Neuro-Alchemy: Beta-Carbolines as Potentiating Agents
- Plantas para la eternidad
- Plantas y alcaloides visionarios
- Plantas solanáceas
- Psilocybe
- Psilocybe: el hongo mágico
- Sacred Narcotic Lily of the Nile
- Salvia Divinorum. A New Psychotropic Drug from the Mint Family
- Síndromes neurológicos asociados con el consumo de hongos y plantas alucinógenos
- Teonanácatl and Ololiuqui. Two Ancient Magic Plants of Mexico
- The Alkaloids of the Common Poppy and the opium alkaloid porphyroxin
- The Egyptian 'Lotus' - Nymphaea Caerulea, the Blue Water Lily
- The Genus Datura: From Research Subject to Powerful Hallucinogen
- The Ibogaine Dossier
- The Tree of The Knowledge of Good & Evil: Anadenanthera
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