Region
Africa
3
Agawam
1
Aiken
1
Alabama
1
Alberta
3
Amazon River Region
1
Amâerique du Nord
1
Angleterre
1
Argentina
4
Arkansas
1
Asia
10
Athens
2
Athens (Greece)
2
Atlanta (Ga.)
1
Australia
10
Austria
2
Baltimore
1
Boston
2
Boston (Mass.)
3
Brazil
2
British Columbia
1
Buenos Aires
1
Buenos Aires (Argentina)
1
Buffalo
1
Byzantine Empire
1
California
8
California, Southern
1
Canada
41
Canton
1
Caribbean Area
3
Caribbean, English-speaking
1
Case studies
1
Chapel Hill
6
Chatham
1
Cheney
2
Chicago
5
Chicago (Ill.)
2
Chile
2
China
15
Civilization
1
Colorado
1
Columbus
1
Communist countries
2
Cooperstown (N.Y.)
1
Czech Republic
3
Czechoslovakia
3
Côte d'Ivoire
1
Denmark
2
Detroit
1
Detroit (Mich.)
1
more ...