Region
Africa
12
Africa, West
2
Alabama
3
Albany
2
Albany (N.Y.)
2
America
34
Amérique du Nord
1
Arab countries
4
Arkansas
2
Asia
9
Astronautics
1
Athens
2
Atomic bomb
1
Attica
1
Australia
1
Austria
6
Baltimore
1
Baltimore (Md.)
1
Belgium
1
Berlin (Germany)
1
Berlin,
1
Birmingham
2
Boston
1
Brazil
4
California
9
Canada
31
Caribbean Area
3
Central America
2
Chicago
1
Chicago (Ill.)
1
China
27
Commonwealth countries
2
Confederate States of America
7
Constitutional history
2
Cuba
8
Developing countries
2
East (U.S.)
1
East Asia
3
Ecuador
1
Egypt
2
England
9
English-speaking countries
6
Estados Unidos
1
Europe
52
Europe, Western
1
European Union countries
2
Florence
1
Florence (Italy)
1
Foreign relations
1
France
24
more ...