Cambridge : Harvard University Press, 1965

Cambridge [England] Cambridge University Press, 1973

New York : Knopf : Distributed by Random House, 1992

New York : Pantheon, 1958

Ithaca, N.Y. : Cornell University Press, 1987

Baltimore, Penguin Books 1970

New York : Harcourt, Brace & World, Inc., 1968
First edition.

Englewood Cliffs, N.J., Prentice-Hall 1970

Middletown, CT : Wesleyan University Press, 2012

New York, Viking Press 1972

Chicago, University of Chicago Press 1965

Cambridge ; New York : Cambridge University Press, 1993

New York, McGraw-Hill Book Co. 1971

Lawrence, Kan. : University Press of Kansas, 2011

New York, McGraw-Hill 1973

Garden City, N.Y. : Doubleday, 1971

Boston : Twayne, 1986

London : New York : Heinemann ; Barnes and Noble, 1976

Harmondsworth, Middlesex, England ; New York, N.Y. : Penguin Books, 1980