1. Sus scrofa =: The hog Author(s): Kellogg, Elijah Chapman, 1811-1881, lithographer Publication: Cambridge, Mass. : Published by the author, [1853] Subject(s): Sus scrofa
2. Domestic pigs: their variation Publication: Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, 2009 Subject(s): Sus scrofaJaw Abnormalities -- veterinaryGenetic VariationBooks
