1. Bartolomé de las Casas, F. (1967). Apologética Historia Sumaria. 2 vols. Universidad Nacional Autonoma de Mexico, Mexico.
2. Bassie Sweet, K., Pérez de Lara, J., and Zender, M. (2003). Jolja’ Cave, http://www.mesoweb.com/features/jolja/index.html . Accessed 1 April 2014.
3. Beletsky, L. (2006). Birds of the World. UBC Press, Vancouver.
4. Benson, E. P. (1997). Birds and Beasts of Ancient Latin America. University Press of Florida, Gainesville.
5. Berdan, F. F., and Anawalt, P. R. (1997). The Essential Codex Mendoza. University of California Press, Berkeley and Los Angeles.