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Opler, Marvin K., 1940. "The character and history of the southern Ute peyote rite," American Anthropologist, LVII, 463-78.

Opler, Marvin K., 1940. Book review: Der Peyote Kult, by Martin Gusinde. American Anthropologist, XLII, 667-69.

Opler, Marvin K., 1942. "Fact and fancy in Ute peyotism," American Anthropologist, XLIV, 151-59.

Opler, Morris E., 1936. "The influence of aboriginal pattern and white contact on a recently introduced ceremony: the Mescalero peyote rite," Journal of American Folk-Lore, XLIX, 143-66.

Opler, Morris E.,�1938. "The use of peyote by the Carrizo and Lipan Apache tribes," American Anthropologist, XL, 271-85.

Opler, Morris E.,�1939. "A description of a Tonkawa peyote meeting held in 1902," American Anthropologist, XLI, 433-39.

Opler, Morris E.,�1939. Book review: The Peyote Cult, by Weston La Barre, American Anthropologist, XLI, 478-79.

Opler, Morris E.,�1940. "Myths and legends of the Lipan Apache Indians," Memoirs of the American Folk-Lore Society, IIIVI, 56-58.

Opler, Morris E., 1945. "A Mescalero Apache account of the origin of the peyote ceremony," El PaIacio LII, 210--212.

Opler, Morris E.,�1958. Book review: Navaho and Ute Peyotism, by David Aberle and Omer C. Stewart. Ethnohistory, V, 180-82.

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Osmond, Humphry, 1961. "Peyote night," Tomorrow.