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Cologne : Arno Volk Verlag, 1975

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New York, Horizon Press 1973

New York, Taplinger Pub. Co. 1972

New York, Twayne Publishers 1969

Pittsburgh, Pa. : University of Pittsburgh Press, 1982

Washington, DC : Howard University Press, 1998

Port Washington, N.Y., Kennikat Press 1969

New Haven : Yale University Press, 1977

Chicago, University of Chicago Press 1968

New Haven ; London : Yale University Press, 1973

New York : Schocken Books, 1972

Lincoln : University of Nebraska Press, 1976

Deland, Fla., Everett/Edwards 1969

Chicago and London : University of Chicago Press, 1976

New Haven, Yale University Press, 1961

London ; New York : Oxford University Press, 1973

Westport, Conn. : Greenwood Press, 1976

Cambridge, Mass. : Harvard University Press, 1980