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  • Busch, Robert H. "The Cougar Almanac." Globe Pequot. 2004. (Aug. 19, 2008)http://books.google.com/books?id=zvaBUahN4RQC
  • "California Cougars." Bureau of Land Management. U.S. Department of the Interior. Updated April 26, 2007. (Aug. 19, 2008)http://www.blm.gov/ca/st/en/prog/wildlife/cougar.html
  • Dewey, Tanya and Shivaraju, Anupama. "Puma concolor." Animal Diversity Web. 2003. (Aug. 19, 2008)http://animaldiversity.ummz.umich.edu/site/accounts/information/Puma_concolor.html
  • "Eastern Cougar." U.S. Fish and Wildlife Service. October 2005. (Aug. 19, 2008)http://www.fws.gov/Northeast/pdf/ecougar.pdf
  • Glavin, Terry. "Cougar Attack!" Canadian Geographic. May/June 2004.
  • Kemper, Steve. "Cougars on the Move." Smithsonian Magazine. September 2006. (Aug. 19, 2008)http://www.smithsonianmag.com/science-nature/cougars.html
  • "Mammals: Mountain Lion (Puma, Cougar)." San Diego Zoo. (Aug. 19, 2008)http://www.sandiegozoo.org/animalbytes/t-puma.html
  • Spalding, D.J. "Cougar in British Columbia." British Columbia Fish and Wildlife Branch, Information and Education Section. (Aug. 19, 2008)http://www.env.gov.bc.ca/wld/documents/cougar.htm