Berkeley, University of California Press, 1969

Baltimore, Johns Hopkins Press 1970

New York : Delacorte Press, 1967

Garden City, NY : Doubleday, 1968
[1st ed.].

Princeton, N.J. : Princeton University Press, 1966
2nd print.

Cambridge, Harvard University Press, 1967

Berkeley : University of California Press, 1971

London, W. Reeves 1909

New York, NY : Praeger, 1961

New York : McGraw-Hill, 1965

Chicago : University of Chicago Press, 1974

Garden City, N.Y.,; Garden City, N.Y. : Doubleday, 1958
[1st ed.].

Cambridge : Harvard University Press, 1968

New York : Random House, 1973
1st American ed.

New Haven : Yale University Press, 1966

New York, Praeger 1968

Washington, DC : Library of Congress : For sale by the U.S. G.P.O., Supt. of Docs., 2001

Chicago : University of Chicago Press, 1966

Oxford : At the Clarendon Press, 1973

London ; New York : Oxford University Press, 1975