References
- 2004 . Guide to geography programs in North America, 2003–2004 , Washington, DC : Association of American Geographers .
- James , P. E. and Martin , G. J. 1978 . The Association of American Geographers: The first seventy-five years, 1904–1979 , Washington, DC : Association of American Geographers .
- Martin , G. F. and James , P. E. 1993 . All possible worlds: A history of geographical ideas , 3rd ed , New York : John Wiley & Sons .
- Wright , J. K. 1952 . Geography in the making: The American Geographical Society, 1851–1951 , New York : American Geographical Society .