1. Adams, Abigail E. 2001. Making one our Word: Protestant Q’eqchi’ Mayas in Highland Guatemala. – Holy Saints and Fiery Preachers: The Anthropology of Protestantism in Mexico and Central America, edited by James W. Dow and Alan R. Sandstrom. Westport, CT: Praeger Publishers, 205–233.
2. Annis, Sheldon. 1987. God and Production in a Guatemalan Town. Austin, TX: University of Texas Press.
3. Astor-Aguilera, Miguel A. 2010. The Maya World of Communicating Objects: Quadripartite Crosses, Trees, and Stones. Albuquerque, NM: University of New Mexico Press.
4. Bassie-Sweet, Karen. 1996. At the Edge of the World: Caves and Late Classic Maya World View. Norman, OK: University of Oklahoma Press.
5. Brady, James E. and Keith M. Prufer, eds. 2004. In the Maw of the Earth Monster: Mesoamerican Ritual Cave Use. Austin, TX: University of Texas Press.