The Road to Eleusis: Unveiling the Secret of the Mysteries, R. G. Wasson, Albert Hofmann, and Carl A. P. Ruck, 1978
Mixing the Kykeon. Peter Webster & Daniel M. Perrine, Ph.D., 2000
Mixing the Kykeon Anew, Carl A.P. Ruck & Peter Webster, Sacred Mushrooms of the Goddess and The Secrets of Eleusis, Carl A.P. Ruck (ed.), 2006
Mixing the Kykeon. Peter Webster & Daniel M. Perrine, Ph.D., 2000
Mixing the Kykeon Anew, Carl A.P. Ruck & Peter Webster, Sacred Mushrooms of the Goddess and The Secrets of Eleusis, Carl A.P. Ruck (ed.), 2006