1. The History of Wildlife in North America;Borland,1975
2. Changes in the Land: Indians, Colonists, and the Ecology of New England;Cronon,2003
3. The last passenger pigeon;Herman;Auk,1948
4. The Destruction of the Bison: An Environmental History, 1750–1920;Isenberg,2000
5. The National Wildlife Refuges Coordinating a Conservation System through Law;Fischman,2003