1International Union for the Conservation of Nature, Cat Specialist Group, website

2Emmons, Louise H.; Neotropical Rainforest Mammals, 2nd Edition; University of Chicago Press; Chicago, IL; 1997; pp 168-9.

3Schwartz, Marion; A History of Dogs in the Early Americas; Yale University Press; New Haven, CT; 1997; p 172.

4Nowak, R. and J. Paradiso, eds.; Walker’s Mammals of the World, 4th Edition; Johns Hopkins University Press, Baltimore, 1983; pp 1091-2

5Turner, Alan; Big Cats and Their Fossil Relatives; Columbia University Press, New York; 1997.

6Childs, Jack; Tracking the Felids of the Borderlands; Printing Corner Press, El Paso, Texas; 1998.

72000 IUCN Redlist of Threatened Species; International Union for the Conservation of Nature; Gland, Switzerland, Cambridge, U.K.

8Coe, Michael; Breaking the Maya Code, Thames and Hudson, Inc., New York; 1992.

9Shele, Linda and M. Miller; The Blood of Kings: Dynasty and Ritual in Maya Art, George Braziller, Inc., New York; 1986.

10Tedlock, Dennis, translator; Popol Vuh, TOUCHSTONE Simon & Schuster, New York; 1996.

11Plotkin, Mark; Tales of a Shaman’s Apprentice, Viking Press, New York; 1993.