1. Barnes, Harry Elmer, Howard Becker, and Frances Bennett Becker (eds.) 1940.Contemporary Social Theories. New York: Appleton-Century.
2. Bingham, Alfred M. 1935.Insurgent America. New York: Harper.
3. Burnham, James. 1941.The Managerial Revolution. New York: Day.
4. Callcott, George H. 1966.A History of the University of Maryland. Baltimore, MD: Maryland Historical Society.
5. Davidson, Percy E. and H. Dewey Anderson. 1937.Occupational Mobility in an American Community. Stanford: Stanford University Press.