1. American Kennel Club. (2012). Facts and stats: What is agility?
clas-sic.akc.org
/press_center/facts_stats.cfm?page=9. Date accessed 4 March 2012.
2. American Rabbit Breeders Association. (2014). About the ARBA.
https://www.arba.net
/about.htm. Date accessed 28 January 2015.
3. Beetz, A. (2005). New insights into bestiality and zoophilia. A. Beetz & A. Podberscek (eds.) Bestiality and zoophilia: Sexual relations with animals. Purdue University Press. West Lafayette, IN. pp. 98–119.
4. Biel, A. W. (2006). Do (not) feed the bears: The fitful history of wildlife and tourists in Yellowstone. University Press of Kansas. Lawrence.
5. Brantz, D. (2007). The domestication of empire: Human-animal relations at the intersection of civilization, evolution, and acclimatization in the nineteenth century. K. Kete (ed.). A cultural history of animals in the age of empire. Vol. 5. Berg. Oxford. pp. 73–93.