14. Liz Palika, The Howell Book of Dogs: The Definitive Reference to 300 Breeds and Varieties (John Wiley & Sons, 2007).

16. Norwich, The Master of Game.

17. Coppinger and Coppinger, Dogs.

18. Elaine T. Ostrander, “Genetics and the Shape of Dogs: Studying the new sequence of the canine genome shows how tiny genetic changes can create enormous variation within a single species,” American Scientist (Sept.–Oct. 2007).

19. Peter Savolainen, Ya-ping Zhang, Jing Luo, Joakim Lundeberg, and Thomas Leitner, “Genetic Evidence for an East Asian Origin of Domestic Dogs” Science Magazine (November 22, 2002).

20. David Hancock, The Mastiffs: The Big Game Hunters—Their History, Development and Future (Charwynne Dog Features, 2001).

22. J. Busuttil, “The Maltese Dog,” Greece & Rome (October, 1969).

23. Bud Boccone, “The Maltese, Toy Dog of Myth and Legend,” American Kennel Club (2015). http://www.akc.org/content/entertainment/articles/maltese-toy-dog-myth-legend/

24. Clifford L.B. Hubbard, Dogs in Britain, A Description of All Native Breeds and Most Foreign Breeds in Britain (1948).

25. Jason J. Crean, “Zoo Genetics—Key Aspects of Conservation Biology,” Chicago Zoological Society (2007).

26. American Kennel Club, “Scenthound History.”

27. Fernand Mery, The Life, History and Magic of the Dog (Grosset & Dunlap, 1970).

28. Peter A. Levine, Waking the Tiger: Healing Trauma—The Innate Capacity to Transform Overwhelming Experiences (North Atlantic Books, 1997).

30. Morsiani, Short History of the Breed.

31. Carla Molinari, The Portuguese Water Dog (1988).

32. Jose Barba Coate “Razas Espanolas: El Perro De Aguas,” Todo Perro (May, 1996).

34. Norwich, The Master of Game.

35. Norwich, The Master of Game.

36. Morsiani, Short History of the Breed.

37. Molinari, The Portuguese Water Dog.

38. Coate, Todo Perro.

39. John Caius, Of Englishe Dogges: The Diversities, the Names, the Natures, and the Properties (1576).

40. Charles Fergus, Gun Dog Breeds, A Guide to Spaniels, Retrievers, and Pointing Dogs (Globe Pequot Press, 2002).

41. Gilbert Leighton-Boyce, A Survey of Early Setters (self-published, 1985).

42. Joseph Beete Jukes, Excursions In and About Newfoundland During the Years 1839 and 1840 (John Murray, 1842).

43. Arliss Paddock, “The Retrievers: Ever Talented and Willing to Please,” American Kennel Club (May, 2015). http://www.akc.org/content/entertainment/articles/the-retrievers-ever-talented-and-willing-to-please/

44. John Leslie, The History of Scotland 1436–1561.

45. Count Jacques du Fouilloux, La Vernarie (The Art of Hunting) (1560).

46. Patrick Burns, American Working Terriers (Lulu.com, 2006).

47. C. N. Trueman, “Dogs In World War One” (April, 2015). http://www.historylearningsite.co.uk/world-war-one/the-western-front-in-world-war-one/animals-in-world-war-one/dogs-in-world-war-one/

48. Unknown author, “The plague of rats in the French trenches,” The Illustrated War News (February, 1916).

49. M. B. Wynn, The History of the Mastiff (Melton Mowbray, 1886).

50. Robert Leighton, The New Book of the Dog (Cassell, 1907).

51. Mike Homan, A Complete History of Fighting Dogs (Howell Book House, 1999).

52. Caius, Of Englishe Dogges.

53. Caius, Of Englishe Dogges.