Pennington, Campbell W., 1963. The Tarahumar of Mexico - Their Environment and Material Culture. Salt Lake City: University of Utah Press.

Pennington, Campbell W., 1969. The Tepehuan of Chihuahua - Their Material Culture. Salt Lake City: University of Utah Press.

People of the Peyote, by S. Schaefer, and P. Furst, ed., 1996. The University of New Mexico Press.

Perea, Estevan de, 1631. Avisa. MS. Mexico, Archivo General de la Nacion. Inquisicion, vol. 372, expedientes 16, 19.

Perea, Estevan de, 1632. Avisa. MS. Mexico, Archivo General de la Nacion. Inquisicion, vol. 304, fols. 180-98.

Perez de Ribas, Andres, 1645. Historia de los triomphos de nuestra santa fee. Madrid, Paredes. (ICN) References are to: Mexico: Layac, 1944.

Petrullo, Vincenzo, 1934. The Diabolic Root: A Study of Peyotism, the New Indian Religion, Among the Delawares. Philadelphia: University of Pennsylvania Press.

Petrullo, Vincenzo, 1940. "Peyotism as an Emergent Indian Culture," Indians at Work (April 1940), VII, 51-60.

The Peyote Book: A Study of Native Medicine, by G. Mount, eds., 1993. Sweetlike books.

Peyote, The Medicine Journal, newsletter of The Peyote Foundation, PO Box 778, Kearny, AZ 85237, USA.

"Peyotes," Anales del Instituto Medico Nacional de Mexico, IV, 203-14. (MnU)

Pfeiffer, L. G. K., and F. Otto, 1849?. Abbildung und Beschreibung bluhender Cacteen. Cassel: Fisher, 1843-50. (MBHo) Vol. II, pl. 21 is an illustration of peyote. Vol. II was published in parts, 1846-50;

Philippe, J., 1903. L'Image mentale. Paris, Alcan.

Pierson, D. L., 1915. "American Indian peyote worship," Missionary Review of the World, n.s. XXVIII, 201-6. (ICMILC)

Pinkson, Tom Soloway, 1995. Flowers of Wiricuta: A Gringo's Journey to Shamanic Power. Wakan Press, 302 pp.

Ponce, Pedro, 15__. "Brave relacion de los dioses y ritos de la gentilidad," Anales del Museo Nacional de Mexico, VI (1900), 3-11.

Powell, P.W., 1952. Soldiers, Indians, and Silver. Berkeley: University of California Press.

Primeras misiones de la Vizcaya, 1598. "Documentas para la historia de Mexico (ser. 4) III (1857), 15-60. (ICN)

Psychedelic Review. Published in Cambridge, Mass. Vol. 1, No. 1 appeared in June 1963.