Fitzgerald, Walter
Africa : a social, economic and political geography of its major regions
Methuen, 1952
 Buku Teks SO
Schapiro, J. Salwyn [Jacob Salwyn], 1879-1973
The world in crisis : political and social movement in the twentieth century
McGraw-Hill, 1950
 Buku Teks
Senelle, Robert
The political, economic and social structures of Belgium
Ministry of Foreign Affairs and External Trade, 1979
 Buku Teks SO
Korean : economic, political and social issues
editors, Paul H. Elwood and Jeremy B. Albertus
Nova Science Publisher, 2008
 Buku Teks
Insor, D.
Thailand : a political, social and economic analysis
Frederick A.Praeger, 1963
 Buku Teks SO