RULANDUS. Martinus. (1612) A Lexicon of Alchemy or Alchemical Dictionary. Frankfurt: Zachariah Palthenus.

SAMORINI. Giorgio. (1989) “Etnomicologia nell'arte rupestre Sahariana (Periodo delle 'Teste Rotonde').” Boll. Camuno Notizie,  vol. 6(2): 18‑22. SAUR. Carl. (1973) Man's Impact on the Earth.  New York: Academic Press.

SCHULTES. Richard Evans. (1939) “Plantae Mexicanae, II: The Identification of Teonanacati, a Narcotic Basidiomycete of the Aztecs.” Botanical Museum Leaflets of Harvard University  7:37‑57.

SCHULTES, Richard Evans. (1973) The Botany and Chemistry of Hallucinogens. Springfield, Mass.: Charles C. Thomas.

SCHULTES, Richard Evans. (1982) “The Beta‑Carboline Hallucinogens of South America.” Journal of Psychoactive Drugs  14:205‑220.

SCHULTES. Richard Evans, and RAFFAUF. Robert F. (1990) The Healing Forest: Medicinal and Toxic Plants of Northwest Amazonia.  Portland. OR: Dioscorides Press.

SETTEGAST, Mary. (1987) Plato Prehistorian.  Cambridge: Rotenberg Press.

SHEVOROSHKIN, Vitaly. (1990) “The Mother Tongue.” The Sciences,  May/June, pp. 20‑27.

SIEGEL, Ronald K. (1977) “Religious Behavior in Animals and Man: Drug‑Induced Effects.” Journal of Drug Issues, pp.  219‑236.

SIEGEL. Ronald K. (1989) Intoxication.  New York: E. P. Dutton.

SPRUCE. Richard. (1908) Notes of a Botanist on the Amazon and Andes  (2 vols.). A. R. Wallace, ed.

STAHL, Peter W. (1989) “Identification of Hallucinatory Themes in the Late Neolithic Art of Hungary.” Journal of Psychoactive Drugs  21(0:101‑112.

STEVENS, Jay. (1987) Storming Heaven: LSD and the American Dream.  New York: Atlantic Monthly Press.

STEVENS. Wallace. (1981) The Collected Poems of Wallace Stevens.  New York: Alfred A. Knopf.

SUHR. Elmer G. (1967) Before Olympos.  New York: Helios Books.

SZARA. Steven. (1957) Psychtropic Drugs.  S. Garattini and V. Ghetti. eds…Amsterdam: Elsevier.

TAYLOR. Bayard. (1855) The Lands of the Saracen.  New York: G. P. Putnam.

TREBACH. Arnold S. (1987) The Great Drug War.  New York: Macmillan.

VARELA. Francisco J… and COUTINHO. A. (1988) “The Body Thinks: How and Why the Immune System Is Cognitive.” The Reality Club.  vol. 2. John Brickman. ed. New York: Phoenix Press.

WADDINGTON. С. Н. (1961) The Nature of Life . London: George Alien amp; Unwin.

WALEY, Arthur. (1958) The Opium War Through Chinese Eyes.  Stanford: Stanford University Press.

WALTON. Robert P. (1938) Marijuana: America's New Drug Problem.  Philadelphia: J. B. Lippincott.

WARE. James R. (1966) Alchemy. Medicine. Religion in the China of A. D. 320: The Nei Pien of Ко Hung.  Cambridge, Mass.: MIT Press.

WASSON. R. Gordon. (1971) Soma: Divine Mushroom of Immortality.  New York: Harcourt Brace Jovanovich.

WASSON, R. Gordon. (1980) The Wondrous Mushroom: Mycolatry in Mesoamerica. New York: McGraw‑Hill.

WASSON, R. Gordon. (1986) Persephone's Quest: Entheogens and the Origins of Religion.  New Haven: Yale University Press.

WASSON. R. Gordon, and HEIM, Roger. (1958) Les Champignons Hallucinogenes du Mexique.  Paris: Edition du Musee National d'Histoire Naturelle.

WASSON, R. Gordon, and HEIM, Roger. (1967) Nouvelles Investigations sur les Champignons Hallucinogenes.  Paris: Editions du Musee National d'Histoire Naturelle.

WASSON. R. Gordon, and HOFMANN, Albert, and RUCK, Carl. (1978) The Road to Eleusis.  New York: Harcourt Brace Jovanovich.

WILSON. Edward 0. (1984) Biophilia.  Cambridge, Mass.: Harvard University Press.

WILSON. H. H… trans. (1928) Rig‑Veda Sanhita  (5 vols.) Poona. India: Ashtekar.

WINDHOLZ. Martha, ed. (1976) The Merck Index  (9th ed.). Rahway, N.J.: Merck.

WINN, Marie. (1977) The Plug‑In Drug.  New York: Penguin.

ZAHNER. R. C. (1961) The Dawn and Twilight of Zoroastrianism.  New York: G. P. Putnam's Sons.