New York, Holt, Rinehart and Winston 1968

London, issued under the auspices of the Royal Institute of International Affairs [by] Oxford U.P., 1967

Baltimore : Johns Hopkins University Press, 1977

Evanston [Ill.] Northwestern University Press, 1965

[Fitzwilliam, N.H.] : Consultants News, 1982

London ; New York : Routledge, 1992

New York, Wiley 1974

Madison : University of Wisconsin Press, 1969

New York : Monthly Review Press, 1969

Washington, D.C. : The University : For sale by the Supt. of Docs., U.S. G.P.O., 1985
5th ed.

New York, A.M. Kelley, 1969

New York, F.A. Praeger 1964

New York, Philosophical Library 1952

New York : Praeger, 1974

Chicago : Quadrangle Books, 1968

Armonk, N.Y. : M.E. Sharpe, 1981

New York : Liveright Pub. Corp., 1947

Washington, D.C. : For sale by the Supt. of Docs., U.S. G.P.O., 1984
2nd ed.

London ; Englewood Cliffs, N.J. : Prentice/Hall International, 1978

Washington : Brookings Institution, 1967