1. Joralemon Peter David 1976 The Olmec dragon: a study in pre-Columbian iconography. In Origins of religious art and iconographyin Preclassic Mesoamerica, edited by Nicholson H.B. , pp. 27–71. UCLA Latin American Centerand the Ethnic Arts Council of Los Angeles, Los Angeles. UCLA Latin American Studies 31.
2. New stone monuments from La Venta, 1968;Clewlow;University of California Archaeological ResearchFacility, Contributions,1968
3. The fluted pyramid of the La Venta site;Heizer;Antiquity,1968