Gerckens, L.1973. Elements of Modern American Planning History. Ohio State University. Photocopy.
2.
Guttenberg, A.Z.The land utilization movement of the 1920s. Agricultural History50(3):477-490.
3.
Guttenberg, A.Z.City encounter and "desert" encounter: Two sources of American regional planning thought. Journal of the American Institute of Planners44(4):399-411.
4.
Krueckeberg, D.A.1983. The American Planner: Biographies and Recollections. New York: Methuen.
5.
Lubove, R.1962. The Progressives and the Slums. Pittsburgh : University of Pittsburgh Press.
6.
—. 1963. Community Planning in the 1920s. Pittsburgh : University of Pittsburgh Press.
7.
—. 1967. The Urban Community. Housing and Planning in the Progressive Era. Englewood Cliffs, New Jersey: Prentice Hall.
8.
Reps, J.W.1965. The Making of Modern America. Princeton, New Jersey: Princeton University Press.
9.
Scott, M.1969. American City Planning Since 1890. Berkeley, California: University of California Press .
10.
Van Nest, B.1967. Planning and the Planning Profession, 1917-1967. Washington, D.C.: American Institute of Planners.
