Religion

Katz, Friedrich. The Ancient American Civilizations. Translated by K. M. Lois Simpson. New York: Praeger, 1972.

Ricard, Robert. The Spiritual Conquest of Mexico: An Essay on the Apostolate and the Evangelizing Methods of the Mendicant Orders in New Spain, 1523–1572. Berkeley: University of California Press, 1966.

Schwaller, John Frederick. The Church and Clergy in Sixteenth-Century Mexico. Albuquerque: University of New Mexico Press, 1987.