Ekarius, Carol. Storey's Illustrated Breed Guide to Sheep, Goats, Cattle, and Pigs: 163 Breeds from Common to Rare. North Adams, MA: Storey Pub., 2008. Print.
The Good Good Pig .: Knowledge Base." The Good Good Pig .: Knowledge Base. N.p., n.d. Web. 03 Jan. 2014.
Jonathan Parker." - AbeBooks. N.p., n.d. Web. 03 Jan. 2014.
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