Geography
United States
72 results
Soviet Union
33 results
Germany
27 results
China
25 results
Europe
17 results
Africa
10 results
Korea (North)
10 results
Japan
8 results
Asia
7 results
Russia (Federation)
7 results
Caribbean Area
6 results
Latin America
6 results
Poland
6 results
Great Britain
5 results
Honduras
5 results
Xinjiang Uygur Zizhiqu
5 results
America
4 results
Bolivia
4 results
Brazil
4 results
Burma
4 results
Czechoslovakia
4 results
Europe, Eastern
4 results
India
4 results
Russia
4 results
Austria
3 results
Congo (Democratic Republic)
3 results
Dominican Republic
3 results
Galicia (Poland and Ukraine)
3 results
Indonesia
3 results
Philippines
3 results
Portugal
3 results
Southeast Asia
3 results
Spain
3 results
Allemagne
2 results
Central America
2 results
Czech Republic
2 results
Developing countries
2 results
Eurasia
2 results
France
2 results
Galicia
2 results
Java
2 results
Mozambique
2 results
Nepal
2 results
New Mexico
2 results
Nicaragua
2 results
Ohio
2 results
Peru
2 results
Potosí (Department)
2 results
Romania
2 results
Siberia
2 results
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