The United States in the contemporary world, 1945-1962
edited by Richard L. Watson
The Free Press, 1968
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Stark, W.
America ideal and reality; The United States of 1776 in contemporary European philosophy
Kegan Paul, Trench, Trubner & Co, 1947
 Buku Teks
Harlow, Ralph Volney
The United States
Holt, Rinehart and Wiston, 1961
 Buku Teks
Harlow, Ralph Volney
The United States
Holt, Rinehart and Wiston, 1961
 Buku Teks
United states
 Buku Teks