Cambridge : Harvard University Press, 1965

Stanford, Calif. : Hoover Institution Press, Stanford University, 1983

Cambridge [England] Cambridge University Press, 1973

New York : Pantheon, 1958

New York : New American Library, 1958

New York, Macmillan 1972

Baltimore, Penguin Books 1970

New York : Knopf, 1962
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Englewood Cliffs, N.J., Prentice-Hall 1970

New York : Dial Press, 1951

New York : McGraw-Hill, 1966
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New York : Vintage Books, 1996
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New York : Bantam Books, 1960

Chicago, University of Chicago Press 1965

New York : Philosophical Library, 1961

Bloomington : Indiana University Press, 1978

New York : Simon and Schuster 1945

New York, N.Y. : Walker, 1967

New York : Literary Guild, 1930

New York, McGraw-Hill Book Co. 1971