Geographic Subject
United States
381
India
375
Great Britain
225
Indonesia
208
Germany
148
France
125
China
117
Japan
95
Pakistan
95
Soviet Union
77
Malaysia
69
Switzerland
69
Singapore
61
Netherlands
58
Europe
49
Mexico
48
Bangladesh
39
Asia, Southeastern
38
Africa
34
America
33
Italy
31
Latin America
31
New York (State)
31
Poland
31
Canada
30
Morocco
30
Spain
30
Sweden
30
Russia (Federation)
29
Yugoslavia
29
Massachusetts
28
Russia
28
Argentina
27
Brazil
27
Sri Lanka
26
Thailand
26
Burma
24
Nepal
24
Turkey
24
Europe, Eastern
23
Haiti
23
Africa, West
22
Asia
22
Developing countries
22
West Indies
22
Austria
21
Middle East
21
Philippines
19
New York (N.Y.)
18
Colombia
17
more ...