Geographic Subject
Indonesia
32
India
25
Texas
21
Soviet Union
13
Asia, Southeastern
11
Wisconsin
11
Ohio
9
Michigan
7
Russia (Federation)
7
Bangladesh
5
Canada
5
Pakistan
5
Iowa
4
Malaysia
4
Tropics
4
Asia
3
Belgium
3
Developing countries
3
Ukraine
3
Africa
2
Brazil
2
California
2
Caucasus
2
Colombia
2
Germany
2
Guinea-Bissau
2
Japan
2
Kansas
2
Moldova
2
Nepal
2
North Dakota
2
Poland
2
South Asia
2
Sri Lanka
2
United States
2
Uzbekistan
2
Yugoslavia
2
Africa, East
1
Africa, Sub-Saharan
1
Afrique noire
1
Armenia (Republic)
1
Bur︠i︡ati︠i︡a
1
Bīkāner
1
China
1
Europe, Eastern
1
Former Soviet republics
1
France
1
Great Britain
1
Guiana
1
Indochina
1
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