*Lentz, David L.; Beaudry-Corbett, Marilyn; de Aguilar, Maria Luisa Reyna; Kaplan, Lawrence (1996) "Foodstuffs, Forests, Fields, and Shelter: A Paleoethnobotanical Analysis of Vessel Contents from the Ceren Site, El Salvador" in "Latin American Antiquity" Vol.
* Lentz, David L.; Beaudry-Corbett, Marilyn; de Aguilar, Maria Luisa Reyna; Kaplan, Lawrence (1996) "Foodstuffs, Forests, Fields, and Shelter: A Paleoethnobotanical Analysis of Vessel Contents from the Ceren Site, El Salvador" in "Latin American Antiquity" Vol.