Subject Region
United States
106
Great Britain
59
English-speaking countries
14
England
11
Latin America
10
Canada
7
France
7
Africa
4
China
4
Italy
4
Spain
3
Austria
2
Caribbean Area
2
Germany
2
Hungary
2
Taiwan
2
America Latina
1
Developing countries
1
Europe
1
Greece
1
Hong Kong
1
Ireland
1
Israel
1
Japan
1
Mediterranean Region
1
Mexico
1
Middle West
1
New York
1
New York (State)
1
North America
1
Prairie Provinces
1
Quebec (Province)
1
Québec (Province)
1
South Africa
1
Southern Cone of South America
1
Wales
1