| The healing forest: medicinal and toxic plants of the Northwest Amazonia. RE Schultes, RF Raffauf | 1029 | 1990 |
| Plants of the gods: their sacred, healing, and hallucinogenic powers. RE Schultes, A Hofmann | 893 | 1992 |
| Plants of the gods: origins of hallucinogenic use RE Schultes, A Hofmann (No Title), 1979 | 796 | 1979 |
| The botany and chemistry of hallucinogens RE Schultes, A Hofmann (No Title), 1980 | 661 | 1980 |
| Plantas de los dioses Orígenes del uso de los alucinógenos RE Schultes, A Hofmann México Fondo de Cultura Económica, 1982 | 561 | 1982 |
| Ethnobotany: evolution of a discipline. RE Schultes, S Reis | 396 | 1995 |
| Cannabis: an example of taxonomic neglect RE Schultes, WM Klein, T Plowman, TE Lockwood Cannabis and culture, 21-38, 1975 | 388 | 1975 |
| Hallucinogens of Plant Origin: Interdisciplinary studies of plants sacred in primitive cultures yield results of academic and practical interest. RE Schultes Science 163 (3864), 245-254, 1969 | 315 | 1969 |
| Role of ethnobotanist in search for new medicinal plants RE Schultes Lloydia 25 (4), 257-&, 1962 | 291 | 1962 |
| Hallucinogenic plants RE Schultes, EW Smith Golden Press, 1976 | 261 | 1976 |
| Pharmacological foundations of cannabis chemovars MA Lewis, EB Russo, KM Smith Planta medica 84 (04), 225-233, 2018 | 243 | 2018 |
| The kingdom of plants RE Schultes Medicines from the earth, 1978 | 181 | 1978 |
| Vine of the soul: medicine men, their plants and rituals in the Colombian Amazonia. RE Schultes, RF Raffauf | 167 | 1992 |
| An overview of hallucinogens in the western hemisphere RE Schultes Flesh of the Gods: The Ritual Use of Hallucinogens. New York: Praeger, 3-54, 1972 | 167 | 1972 |
| Random thoughts and queries on the botany of cannabis. RE Schultes | 155 | 1970 |
| Tapping our heritage of ethnobotanical lore RE Schultes Economic Botany 14 (4), 257-262, 1960 | 148 | 1960 |
| American Plants of Ethnopharmacologic Interest S Agurell Acta Chem. Scand 23 (0), 3-13, 1969 | 136 | 1969 |
| Snuff powders from pre-Hispanic San Pedro de Atacama: Chemical and contextual analysis CM Torres, DB Repke, K Chan, D McKenna, A Llagostera, RE Schultes Current Anthropology 32 (5), 640-649, 1991 | 128 | 1991 |
| Teonanácatl: The narcotic mushroom of the Aztecs RE Schultes American Anthropologist 42 (3), 429-443, 1940 | 125 | 1940 |
| The Amazonia as a source of new economic plants RE Schultes Economic Botany 33 (3), 259-266, 1979 | 122 | 1979 |
