Region
Africa
8
Africa, West
3
Alabama
7
Albany
2
Albany (N.Y.)
2
America
28
Arab countries
4
Arkansas
2
Asia
9
Astronautics
1
Athens
2
Atlanta
2
Atlanta (Ga.)
2
Atomic bomb
1
Attica
1
Austria
2
Baltimore
1
Baltimore (Md.)
1
Belgium
1
Berlin (Germany)
1
Berlin,
1
Birmingham
2
Blue Ridge Mountains
1
Boston
1
Bowling Green
3
Bowling Green (Ky.)
3
Brazil
1
California
6
Canada
17
Caribbean Area
3
Certification
1
Charleston
1
Chicago
1
Chicago (Ill.)
1
China
10
Civilization
1
Clayton County (Ga.)
3
Commonwealth countries
2
Confederate States of America
17
Connecticut
1
Constitutional history
2
Cuba
2
Developing countries
2
East (U.S.)
1
East Asia
3
England
6
English-speaking countries
6
Estados Unidos
1
Etats-Unis
1
Europe
38
more ...