Subject Region
United States
114
California
20
Mexico
20
China
19
France
18
New York
16
New York (State)
16
Berkeley
10
Paris
10
Mexico City
8
Africa
7
Paris (France)
7
Senegal
7
South Africa
7
Germany
6
India
6
Developing countries
5
Great Britain
5
Pennsylvania
5
Southern States
5
Ciudad de Mexico
4
Germany (West)
4
Illinois
4
Ohio
4
Philadelphia
4
Bloomington
3
Indiana
3
Japan
3
Madison (Wis.)
3
Meerut
3
Philadelphia (Pa.)
3
Poland
3
Soviet Union
3
Uruguay
3
Venezuela
3
Asia
2
Brazil
2
Canada
2
Chile
2
England
2
Greece
2
Islamic countries
2
Los Angeles
2
Malaya
2
Malaysia
2
Massachusetts
2
Middle East
2
Nicaragua
2
Russia
2
Serbia
2
more ...