New York, Oxford Univ. Press 1964

New York : New York Public Library, and F. Ungar Pub. Co., 1967

[New York] : [Dell Pub. Co.], 1965

Port Washington, N. Y. : Kennikat Press, 1967

New York, Appleton-Century-Crofts 1954

New York, Barnes & Noble 1973

New York : Harcourt, Brace & World, 1969

New York : Oxford University Press, 1953

New York : B. Blom, 1968

New York : Scribner, 1957

New York, Greenwood Press, 1968
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Cambridge [Eng.] The University press, 1967

London : Times Pub. Co., 1963

New York : Harcourt, Brace, 1958

London : Secker & Warburg, 1954

London : Oxford University Press, 1962

Stanford, Calif. : Stanford University Press, 1951

Cambridge, Massachusetts : The Belknap Press of Harvard University Press, 1963

London : Macmillan, 1964

New York, Greenwood Press, 1968
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