Geography
United States
9 results
England
7 results
Germany
7 results
Soviet Union
5 results
Russia (Federation)
4 results
Czechoslovakia
1 results
Denmark
1 results
Europe
1 results
Everest, Mount (China and Nepal)
1 results
France
1 results
Massachusetts
1 results
Mexico
1 results
Norway
1 results
Pennsylvania
1 results
Puerto Rico
1 results
Russia
1 results
Spain
1 results
U.S.
1 results
Ukraine
1 results