Subject Region
United States
1,313
Great Britain
134
Spain
92
England
78
Espana
76
Europe
74
Canada
59
Massachusetts
56
Mexico
47
Latin America
41
Germany
30
Australia
28
China
28
Africa
27
Pennsylvania
24
Colombia
22
Latinoamerica
21
France
17
Ontario
17
California
16
Oxford
16
Scotland
16
Cuba
15
America Latina
14
South Africa
14
Europa
13
Michigan
13
Easton (Northampton County)
12
India
12
Japan
12
New York (State)
12
Chile
11
North Carolina
11
Italy
10
Cambridge
9
Czech Republic
9
New England
9
Southern States
9
Maryland
8
Soviet Union
8
Ann Arbor
7
New Jersey
7
Brazil
6
Catalonia
6
Malaysia
6
Texas
6
Toronto
6
Argentina
5
Chapel Hill
5
Ecuador
5
more ...