Geography
United States
125 results
Soviet Union
78 results
China
41 results
Great Britain
33 results
Europe
29 results
France
28 results
Germany
19 results
Latin America
19 results
India
16 results
Japan
13 results
Italy
11 results
Africa
10 results
Europe, Eastern
10 results
Poland
9 results
États-Unis
9 results
Russia
8 results
Cuba
6 results
Developing countries
6 results
URSS
6 results
Communist countries
5 results
Ethiopia
5 results
Middle East
5 results
Russia (Federation)
5 results
USA
5 results
Arab countries
4 results
Grande-Bretagne
4 results
Hungary
4 results
Iran
4 results
South Africa
4 results
Yugoslavia
4 results
Asia
3 results
Austria
3 results
Brazil
3 results
Caribbean Area
3 results
Europe, Western
3 results
Großbritannien
3 results
Africa, North
2 results
Africa, Sub-Saharan
2 results
Central Europe
2 results
Chile
2 results
Chine
2 results
East Asia
2 results
Eastern Europe
2 results
England
2 results
Europe centrale
2 results
Europe de l'Est
2 results
Europe, Central
2 results
Germany (East)
2 results
Greece
2 results
Guyana
2 results
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