Geography
Soviet Union
173 results
United States
66 results
Europe, Eastern
19 results
Developing countries
9 results
Europe
9 results
China
5 results
Great Britain
5 results
Poland
4 results
Germany (West)
3 results
Japan
3 results
Middle East
3 results
Baltic States
2 results
Communist countries
2 results
France
2 results
Germany
2 results
India
2 results
Italy
2 results
Pacific Area
2 results
Persian Gulf Region
2 results
Russia
2 results
Russia (Federation)
2 results
URSS
2 results
Afghanistan
1 results
Africa
1 results
Bulgaria
1 results
Cuba
1 results
Egypt
1 results
Finland
1 results
Former Soviet republics
1 results
Ghana
1 results
Iran
1 results
Kuba
1 results
Pacific States
1 results
Russian Far East (Russia)
1 results
Xinjiang Uygur Zizhiqu
1 results