Subject Region
United States
131
Northern Ireland
44
Latin America
34
Africa
25
England
23
France
23
Europe
22
Colombia
21
Great Britain
20
Mexico
20
China
19
America Latina
17
Developing countries
15
Germany
15
Spain
13
Israel
12
Soviet Union
12
South Asia
10
Southern States
10
India
9
Indonesia
9
New York (State)
9
South Africa
9
Argentina
8
New York
8
Peru
8
Turkey
8
California
7
Egypt
7
West (U.S.)
7
Asia
6
Bolivia
6
Europe, Eastern
6
Greece
6
Guatemala
6
Paris (France)
6
Barcelona
5
Belfast
5
Brazil
5
Cuba
5
Gaza Strip
5
Ireland
5
Italy
5
Japan
5
Michigan
5
New York (N.Y.)
5
Nigeria
5
Paris
5
Southeast Asia
5
Afghanistan
4
more ...