


Smith, A. C. (1909). Everyman’s book of the dog. London, England: Hodder and Stoughton

Source: Ash, E. C. (1927). Dogs: their history and development, volume I. Boston, Massachusetts: Houghton Mifflin Company

Source: Ash, E. C. (1927). Dogs: their history and development, volume I. Boston, Massachusetts: Houghton Mifflin Company


