Port Washington, N.Y. : Kennikat Press, 1966

New York : H. Holt, 1989
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Chicago ; London : University of Chicago Press, 1948

New York : McGraw-Hill, 1965

New Haven : Yale University Press, 1966

Ithaca [N.Y.] Cornell University Press 1973

Chicago : The University of Chicago Press, 1946

Princeton : Princeton University Press, 1975

New York, J. Wiley 1973

Chicago : University of Chicago Press, 1966

Washington, D.C. : American Council on Education, 1949

New York, Whittlesey House 1950

New York, Praeger 1969

Cambridge [England] : University Press, 1956

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New York : Harper, 2008
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Ithaca, N.Y., Cornell University Press 1966

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