Subject Region
United States
68
Great Britain
30
England
7
Australia
4
Pennsylvania
4
Canada
3
China
3
Europe
3
Ontario
3
Philadelphia
3
Africa, West
2
Brazil
2
London
2
Malaysia
2
Mexico
2
Philadelphia (Pa.)
2
Puerto Rico
2
Southern States
2
Vale do Amanhecer
2
Developing countries
1
Easton
1
Easton (Northampton County)
1
Italy
1
Kentucky
1
London (England)
1
Middle East
1
New York
1
Nova Scotia
1
Scotland
1
Soviet Union
1
Vale do Amanhecer (Brazil)
1