New York, Columbia University Press, 1964

Princeton, N.J., Princeton University Press, 1963
[3d ed.].

[London] Published for the British Council and the National Book League by Longmans, Green 1962

New York : Praeger, 1971

Chicago : University of Chicago Press, 1960

Minneapolis, University of Minnesota Press 1968

New York : Twayne Publishers, 1965

New York, Farrar, Straus 1963

New York : Twayne Publishers, Inc., 1962

London, Cambridge U.P., 1969

New York : Russell & Russell, 1961

New York, Twayne Publishers 1962

New York, Columbia University Press, 1967

New York :; New York : Cooper Square Publishers, 1969

New York, Twayne Publishers 1965

New York, Stein and Day 1970

New York : Russell & Russell, 1961

Minneapolis : University of Minnesota Press, 1969

New York, Twayne Publishers 1966

Cambridge [England] ; New York : Cambridge University Press, 1948