Region
19th century
1
Afghanistan
2
Africa
3
Africa, Eastern
1
Africa, Sub-Saharan
2
Africa, West
1
Alabama
2
Albany
1
Alfred
2
Andhra Pradesh
1
Arizona
2
Asia
2
Australia
4
Austria
3
Balochist塮
1
Baltimore
1
Bangladesh
2
Benin
1
Birmingham (West Midlands)
1
Brazil
4
Burkina Faso
1
Cambodia
1
Cambridge
3
Cameroon
2
Canada
14
Canterbury
1
Canterbury (Conn.)
1
Charlotte
1
Chicago (Ill.)
3
China
13
China, Southwest
1
Ciudad Juárez
3
Colombia
3
Colorado
1
Connecticut
5
Davenport (Iowa)
1
Developing countries
13
Dublin
1
Ecuador
2
Education
1
Education (Secondary)
1
Egypt
1
England
35
Eritrea
1
Europe
9
Florida
2
Foreign countries
1
Fort Collins
1
France
19
Ganado
2
more ...