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Gray, Walter P., III, Pictorial History of North American Railroads. Illinois: Publications International, 1996.
Stover, John F. American Railroads. 2nd ed. Chicago: University of Chicago Press, 1997.
Stover and Mark C. Carnes, ed., The Routledge Historical Atlas of the American Railroads. New York: Routledge, 1999.
Withuhn, William L., ed. Rails Across America. New York: Smithmark, 1993.