Source: Pearce, T. (1889). The Dog: With Simple Directions for His Treatment, and Notices of the Best Dogs of the Day and Their Breeders Or Exhibitors. United Kingdom: Cassell, Petter, Galpin & Company.Source for images of Nansen and Perlene: Animal life and the world of nature: a magazine of natural history throughout the world, Volume II, July 1903 – June 1904I love him so much. Source: Simpson, F. (1903). The book of the cat. London, Paris, New York, Melbourne: Cassell and Company, LimitedSource: Anon. (1904, December 17). The breaking of dogs. Country Life, pp. 920-922Source: Ives, L. (1911). Show Pomeranians. Manchester: Our Dogs Publishing Co.Ch. Soja Source: Bruette, W. A. (1921). The complete dog book. Cincinnati: Stewart Kidd CompanyFrom the 1923 book The German shepherd dog in word and picture by Max von StephanitzHouse Beautiful, August 1934Country Life & the Sportsman, May 1938“Canadian bred wire Burlington Dictator” in Country Life & the Sportsman, October 1938