Geography
United States
209 results
Great Britain
15 results
Soviet Union
14 results
China
13 results
Egypt
11 results
Cuba
9 results
Middle East
9 results
Israel
4 results
Africa
3 results
Developing countries
3 results
East Asia
3 results
Indonesia
3 results
Vietnam
3 results
États-Unis
3 results
Communist countries
2 results
Europe, Eastern
2 results
France
2 results
Germany (West)
2 results
Guatemala
2 results
Japan
2 results
Latin America
2 results
Lebanon
2 results
USA
2 results
Washington (D.C.)
2 results
Africa, Sub-Saharan
1 results
Algeria
1 results
Algérie
1 results
Arab countries
1 results
Cambodia
1 results
Canada
1 results
Central America
1 results
Dominican Republic
1 results
Entwicklungsländer
1 results
Europe
1 results
Förenta staterna
1 results
Germany
1 results
Haiti
1 results
Hungary
1 results
India
1 results
Laos
1 results
Nicaragua
1 results
Saudi Arabia
1 results
Singapore
1 results
Suez Canal (Egypt)
1 results
Tibet Autonomous Region (China)
1 results
U-länder
1 results
Venezuela
1 results
Verenigde Staten
1 results
Vietnam (Republic)
1 results