Geographic Subject
India
972
Indonesia
646
United States
301
Germany
218
Soviet Union
189
Pakistan
184
Russia (Federation)
175
Japan
142
California
132
Bangladesh
104
Colorado
104
France
87
Iowa
81
China
78
Michigan
75
Hawaii
68
Texas
68
Burma
66
Sri Lanka
62
Poland
61
Ohio
59
Brazil
56
Tropics
52
Switzerland
49
Russia
47
Wisconsin
46
Sweden
41
Nepal
39
Southern States
39
Karnataka
38
Kansas
35
Malaysia
35
Argentina
34
Germany (West)
31
Great Britain
31
North Carolina
31
Netherlands
30
Punjab
30
Africa
29
Egypt
29
Florida
29
Hungary
28
New York (State)
28
Taiwan
28
Ukraine
27
Italy
26
North Dakota
26
Algeria
25
Canada
25
Siberia
25
more ...