Region
United States
36
Great Britain
5
China
3
Germany
3
Europe
2
Europe, Eastern
2
Latin America
2
Social aspects
2
Soviet Union
2
Turkey
2
1815-1861
1
Africa, Sub-Saharan
1
Austria
1
Bahamas
1
Caribbean Area
1
Communist countries
1
England
1
Former Soviet republics
1
France
1
Germany (East)
1
Guangzhou
1
History
1
Italy
1
Japan
1
New York (N.Y.)
1
Portugal
1
Rwanda
1
South America
1
Spain
1
Sweden
1