a b c Nast, Heidi J. (2006). "Loving... Whatever: Alienation, Neoliberalism and Pet-Love in the Twenty-First Century". ACME: An International e-Journal for Critical Geographies. 5 (#2): 300–327. ISSN 1492-9732. Arnold S (1997). "[Urinary incontinence in castrated bitches. Part 1: Significance, clinical aspects and etiopathogenesis]". Schweizer Archiv für Tierheilkunde (in German). 139 (#6): 271–276. PMID 9411733.

Korea dog meat campaigners accused of hypocrisy". The Straits Times. Agence France-Presse. 27 December 2017. a b Irving-Pease, Evan K.; Ryan, Hannah; Jamieson, Alexandra; Dimopoulos, Evangelos A.; Larson, Greger; Frantz, Laurent A. F. (2018). "Paleogenomics of Animal Domestication". In Lindqvist, C.; Rajora, O. (eds.). Paleogenomics. Population Genomics. Springer, Cham. pp.225–272. doi: 10.1007/13836_2018_55. ISBN 978-3-030-04752-8.

The Dog Encyclopedia

Larson G (2012). "Rethinking dog domestication by integrating genetics, archeology, and biogeography". PNAS. 109 (23): 8878–8883. Bibcode: 2012PNAS..109.8878L. doi: 10.1073/pnas.1203005109. PMC 3384140. PMID 22615366.

Dogs can smell and hear better than humans but cannot see well in color because they are color blind. Due to the anatomy of the eye, dogs can see better in dim light than humans. They also have a wider field of vision. Of the twenty-one amino acids common to all life forms (including selenocysteine), dogs cannot synthesize ten: arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine. [91] [92] [93] The United States recognizes seven classifications, called groups (encompassing more than 150 breeds), whereas the English and Canadians have six groups (the American system divides the Working group into two groups: Working dogs and Herding dogs). Sporting dogs Further information: List of fictional dogs Cerberus, with the gluttons in Dante's Third Circle of Hell. William Blake.Katcher, A.H.; Wilkins, G.G. (2006). "The Centaur's Lessons: Therapeutic education through care of animals and nature study". In Fine, Aubrey H. (ed.). Handbook on animal-assisted therapy: theoretical foundations and guidelines for practice. Amsterdam: Elsevier/Academic Press. pp.153–177. ISBN 978-0-12-369484-3.