At issue politics in the world arena
edited Steven L. Spiegel
St. Martin's Press, 1981
Buku Teks SO
Senator Fulbright : a legislator's thoughts on world issue
edited by Karl E. Meyer
A. Macfadden Book, 1963
Buku Teks SO
Smith, Page
America Enters the World / Page Smith
McGraw-Hill, 1985
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Brion, Marcel, 1895-1984
The World of Archaelogy India-China-America
Elek Books, 1959
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Tuchman, Barbara W.
The proud tower : a portrait of the world before the war 1890-1914
Macmillan, 1965
Buku Teks SO