Geographic Subject
United States
37
India
32
New York (State)
28
Buffalo
25
Russia (Federation)
20
Chicago (Ill.)
7
Europe, Central
7
France
7
Siberia
5
Soviet Union
5
Chicago
4
England
4
Illinois
4
London
4
Sri Lanka
4
Africa
3
California
3
Europe
3
Japan
3
Ontario
3
Pakistan
3
Africa, Eastern
2
Alabama
2
Altai Mountains
2
Argentina
2
Asia, Southeastern
2
Australasia
2
Australia
2
Congresses
2
Former Soviet republics
2
Great Britain
2
Inde
2
Indiana
2
Indonesia
2
Kola Peninsula
2
Middle East
2
New York
2
Russia, Northern
2
Sayan Mountains
2
Southeast Asia
2
Thailand
2
Yugoslavia
2
Africa, North
1
Africa, Southern
1
Algeria
1
Andhra Pradesh
1
Asia
1
Asia, Central
1
Baltic Sea Region
1
Bangladesh
1
more ...