Geography
United States
422 results
Soviet Union
111 results
Europe
57 results
Korea (North)
48 results
Russia (Federation)
48 results
Former Soviet republics
32 results
Great Britain
29 results
China
23 results
Germany
21 results
Iraq
20 results
Developing countries
14 results
South Asia
7 results
California
6 results
East Asia
6 results
France
6 results
India
5 results
Japan
5 results
Libya
5 results
Pakistan
5 results
Asia
4 results
Concord
4 results
Europe, Eastern
4 results
Germany (West)
4 results
Korea (South)
4 results
Latin America
4 results
Australia
3 results
Canada
3 results
Colombia
3 results
Kazakhstan
3 results
Middle East
3 results
Afghanistan
2 results
Africa
2 results
Africa, Central
2 results
Africa, West
2 results
Brazil
2 results
Caribbean Area
2 results
England
2 results
Indian Ocean Region
2 results
Iran
2 results
Liberia
2 results
Mali
2 results
Nigeria
2 results
South Africa
2 results
South Sudan
2 results
Texas
2 results
Uganda
2 results
Ukraine
2 results
Africa, East
1 results
Africa, Eastern
1 results
Africa, North
1 results
more…