Geographic Subject
India
172
Indonesia
75
Sri Lanka
21
Bangladesh
19
Pakistan
19
Asia, Central
15
Russia (Federation)
15
Soviet Union
15
Karnataka
13
Brazil
11
Kazakhstan
10
United States
10
Andhra Pradesh
8
California
8
Bihar
7
Rajasthan
7
China
6
Germany
6
Gujarat
6
Asia
5
Australia
5
Developing countries
5
Turkmenistan
5
Viḷānkuḷam (District)
5
Assam
4
Bali Island
4
Egypt
4
Haryana
4
Iraq
4
Kerala
4
Madhya Pradesh
4
Maharashtra
4
Morocco
4
Mysore
4
Punjab
4
Sakha
4
Sulawesi Tengah
4
Africa, French-speaking West
3
Africa, French-speaking Western
3
Bombay (State)
3
Java
3
Jawa Barat
3
Kyrgyzstan
3
Mahaweli River Watershed
3
Malaysia
3
Mexico
3
Nepal
3
Niger River Valley
3
Nile River
3
Odisha
3
more ...