Anthony P. Andrews.  The Origins Of Mesoamerican Civilization.  New College Of Florida, Fall 2009.

J. Michael Francis.  LAH 3424: Aztecs, Incas And Mayas -- The Americas Before 1492.  University Of North Florida, Fall 2006.

David Webster.  ANT 008: Aztecs, Mayas And Inkas.  Penn State University, Fall 2009.