Ancient Mesoamerican Civilizations
http://www.angelfire.com/ca/humanorigins/Information on the writing systems, government and religions of the Maya, Mixtec, Zapotec, and Aztec, by Kevin L. Callahan, University of Minnesota, with references and links.
Submitted in section: Archaeology: Periods and Cultures: Mesoamerican: Ancient Mesoamerican Civilizations