Geography
United States
184 results
Great Britain
18 results
Canada
13 results
Soviet Union
13 results
Developing countries
6 results
Poland
6 results
Europe
5 results
États-Unis
5 results
Germany
4 results
Latin America
4 results
Mexico
4 results
Australia
3 results
Brazil
3 results
California
3 results
India
3 results
Italy
3 results
Japan
3 results
Southern States
3 results
Spain
3 results
Argentina
2 results
China
2 results
Czech Republic
2 results
Europe, Eastern
2 results
Grande-Bretagne
2 results
Greece
2 results
Illinois
2 results
Lithuania
2 results
Pays en voie de développement
2 results
Russia
2 results
Russia (Federation)
2 results
Texas
2 results
Africa
1 results
Africa, West
1 results
Alexandria
1 results
Andalusia
1 results
Arab countries
1 results
Arctic regions
1 results
Asia
1 results
Austria
1 results
Bexar County
1 results
Castilla-La Mancha
1 results
Central America
1 results
Chine
1 results
Croatia
1 results
Czechoslovakia
1 results
Egypt
1 results
England
1 results
Entwicklungsländer
1 results
Estados Unidos
1 results
Foreign countries
1 results
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