Boston : Little, Brown, 1979
First edition.

New York : Longman, 2000
Second edition

Boston : Little, Brown, 1985

New Brunswick, N.J. : Transaction Publishers, 1996
2nd expanded ed.

New York : HarperCollins, 1991

New York : Holt, Rinehart and Winston, 1967

Boston : Northeastern University Press, 1987
1st Northeastern University Press ed.

Englewoods Cliffs, N.J. : Prentice-Hall, 1959

Boston : Little, Brown, 1963
[1st ed.]

[New York] : HarperCollins, 1985

New York : Longman, 1956

Cambridge : Harvard University Press, 1959

New York : Foreign Policy Association, 1968

New York : Harper & Row, 1964

Carbondale, Illinois : Southern Illinois University Press, 1964

Boston : Little, Brown, 1981

Boston : Little, Brown, 1981
1st ed.

Boston, Little, Brown, 1951
[1st ed.].

New York : Harper & Row, 1986
1st ed.

New York : Knopf, 1970
2d ed.