1. Lacadena, Alfonso 2003 Tradiciones regionales de escribas: Implicacionesmetodológicas para el desciframiento de la escrituranáhuatl. Paper presented at the 5th Archaeological Congress,Washington, DC, June 23.
2. von Winning, Hasso 1987 La iconografía de Teotihuacan: los dioses y los signos,Mexico,UNAM-Instituto de Investigaciones Estéticas.
3. Stuart, David 2000 The Arrival of Strangers. InMesoamerica's Classic Heritage: From Teotihuacan to theAztecs, edited by David Carrasco , Lindsay Jones , and Scott Sessions , pp.465–513.University Press of Colorado,Boulder.
4. Davies, Nigel 1987 The Toltecs until the Fall of Tula.University of Oklahoma Press,Norman.
5. Cohodas, Marvin 1991 Ballgame Imagery of the Maya Lowlands: History andIconography. InThe Mesoamerican Ballgame, edited by Vernon L. Scarborough and David R. Wilcox , pp.251–288.University of Arizona Press,Tucson.