Geographic Subject
India
43
United States
23
Europe
10
Africa
9
Netherlands
8
Pakistan
8
Poland
5
Asia
4
Germany
4
Japan
4
America
3
Developing countries
3
Indonesia
3
Latin America
3
Ohio
3
Sweden
3
Arctic regions
2
Asia, Southeastern
2
Australia
2
Canada
2
Chicago
2
Chicago (Ill.)
2
Himalaya Mountains Region
2
Illinois
2
Maluku
2
Middle East
2
South America
2
Soviet Union
2
Tropics
2
Africa, East
1
Alaska
1
Andes
1
Bangladesh
1
Brazil
1
Buffalo
1
California
1
Dead Sea (Israel and Jordan)
1
Ethiopia
1
Europe, Central
1
Great Britain
1
Great Rift Valley
1
Greece
1
Guiana
1
Himalaya Mountains
1
Holmes County
1
Holmes County (Miss.)
1
Iran
1
Islamic countries
1
Israel
1
Italy
1
more ...