Schuman, Frederick L.
International politics The western state system in transition
McGraw-Hill, 1941
 Buku Teks
Rothstein, Robert L.
The weak in the world of the strong : the developing countries in the international system
Columbia University Press, 1977
 Buku Teks
Great books of the western world : 43 American state papers, the federalist, J.S. Mill
Robert Maynard Hutchins, editor in chief
Encyclopaedia Britannica, Inc., 1952
 Buku Referensi
Johnson, Elmer D.
History of libraries in the Western World
The Scarecrow Press, 1970
 Buku Teks
Sansom, George Bailey, Sir, 1883-1965
The western world and Japan
The Gresset Press, 1950;1950;1950
 Buku Teks