Stark, W.
America ideal and reality; The United States of 1776 in contemporary European philosophy
Kegan Paul, Trench, Trubner & Co, 1947
 Buku Teks
The United States in the contemporary world, 1945-1962
edited by Richard L. Watson
The Free Press, 1968
 Buku Teks SO
The United States in the contemporary world, 1945-1962
edited by Richard L. Watson
The Free Press, 1968
 Buku Teks SO
Northrop, F. S. C.
European Union and United States foreign policy : a study in sociological jurisprudence
Macmillan, 1954
 Buku Teks
Kitzinger, Uwe W.
The politics and economics of European integration : Britain, Europe, and the United States
Frederick A. Praeger, 1963
 Buku Teks