^Zabilka, Ivan L. (1980). "Nathaniel Southgate Shaler and the Kentucky Geological Survey," The Register of the Kentucky Historical Society, Vol. 80, No. 4, pp. 408-431.
^Shaler, N. S. (1891). The Origin and Nature of Soils, in Powell, J. W., ed., USGS 12th Annual report 1890-1891: Washington, D.C., Government Printing Office, pp. 213-45.
^Livingstone, David N. (1987). Nathaniel Southgate Shaler and the Culture of American Science. University of Alabama Press, pp. 124-125.
^Shaler, N.S. (1884). "The Negro Problem," Atlantic Monthly, p. 697-698.
^Bacon, H. Philip (1955). "Fireworks in the Classroom: Nathaniel Southgate Shaler as a Teacher," Journal of Geography54, p. 350.
延伸阅读
Adams, Michael C.C. (1998). "'When the Man knows Death': The Civil War Poems of Nathaniel Southgate Shaler," The Register of the Kentucky Historical Society, Vol. 96, No. 1, pp. 1–28.
Bladen, Wilford A. (1983). "Nathaniel Southgate Shaler and Early American Geography," in Pradyumna P. Karan (ed.), The Evolution of Geographic Thought in America: A Kentucky Root. Dubuque, Iowa: Kendall/Hunt Publishing Company.
Berg, Walter (1957). Nathaniel Southgate Shaler: A Critical Study of an Earth Scientist. Ph.D. thesis, University of Washington.
Koelsch, William A. (1979). "Nathaniel Southgate Shaler, 1841-1906", in T.W. Freeman & Philippe Pinchemel (ed.), Geographer: Bibliographical Studies, Vol. III. London: Mansell.
Lane, A. C. (1926). "Nathaniel Southgate Shaler (1841-1906)," Proceedings of the American Academy of Arts and Sciences, Vol. 61, No. 12, pp. 557–561.
Livingstone, D. N. (1980). "Nature and Man in America: Nathaniel Southgate Shaler and the Conservation of Natural Resources," Transactions of the Institute of British Geographers, New Series, Vol. 5, No. 3, pp. 369–382.