Brundage, Burr Cartwright. Empire of the Inca. Norman OK: University of Oklahoma Press, 1963.

Cobo, Father Bernabe. Inca Religion and Customs. trans. and ed. Roland Hamilton. Austin: University of Texas
        Press, 1990.

Culbert, T. Patrick. Maya Civilization. Washington D.C.: Smithsonian Books, 1993.

D’Altroy, Terence. The Incas. Massachusetts: Blackwell Publishing, 2002 .

De La Vega, Garcilaso. First Part of the Royal Commentaries of the Yncas. London: Miles Flesher, 1869.

Knapp, Bettina.  Women, Myth, and the Feminine Principle. New York: State University of New York, 1998.

Means, Philip Ainsworth. Ancient Civilizations of the Andes. New York: Gordian Press, Inc., 1964.

Morley, Sylvanus G. and George W. Brainerd. The Ancient Maya. Stanford: Stanford University Press, 1983.

Restall, Matthew. The Maya World. California: The Stanford University Press, 1997.

Salomon, Frank and George L. Urioste, ed. The Huarochirí Manuscript: A Testament of Ancient and Colonial
        Andean Religion. Austin: University of Texas Press, 1991.

Silverblatt, Irene. Moon, Sun, and Witches: Gender, Ideologies, and Class in Inca and Colonial Peru. New Jersey:
        Princeton University Press,1987.

Willey, Gordon. “Ancient Maya Politics.” In Proceedings of American Philosophical Society, 1-9. American
        Philosophical  Society, 1990.