Geographic Subject
Russia (Federation)
9
Germany
8
India
7
Soviet Union
7
United States
4
France
2
Indonesia
2
New York (State)
2
Amazonas (Brazil)
1
Amurska︠i︡a oblastʹ
1
Arab countries
1
Asia, Southeastern
1
Developing countries
1
Ethiopia
1
Europe
1
Germany (East)
1
Japan
1
Korea
1
Münster in Westfalen
1
Russia
1
Sweden
1
T︠i︡umenska︠i︡a oblastʹ
1