- Carmichael, Elizabeth, Chlö, and e Sayer, The Skeleton at the Feast: The Day of the Dead in Mexico (Austin: University of Texas Press, 1991). Cited on p. 1.1.
- Leó and n-Portilla, Miguel, Aztec Thought and Culture (Norman: University of Oklahoma Press, 1963). Cited on p. 1.1.