| Horses in Society: A Story of Animal Breeding and Marketing Culture, 1800–1920 Derry's fascinating study is also a story of the evolution of animal medicine and humanitarian movements, and of international relations, particularly between Canada and the United States. Derry Margaret E. : Margaret E. Derry is an adjunct professor in the Department of History and associated faculty at the Campbell Centre for Animal Welfare in the Department of Animal and Poultry Science at the University of Guelph. |