Berdan, Frances F. (2004) The Aztecs of Central Mexico: An Imperial Society. 2nd ed. Thomson-Wadsworth, Belmont, CA. ISBN 0-534-62728-5.
Berdan, Frances F., Richard E. Blanton, Elizabeth H. Boone, Mary G. Hodge, Michael E. Smith and Emily Umberger (1996). Aztec Imperial Strategies. Dumbarton Oaks, Washington, DC. ISBN 0-88402-211-0.