Subject Region
United States
671
Great Britain
358
France
149
Europe
136
Greece
88
Latin America
84
China
73
Mexico
73
Germany
56
America Latina
54
Rome
53
England
42
Spain
42
Argentina
39
India
38
Canada
34
Espana
33
Japan
32
Italy
31
Chile
28
Soviet Union
18
Africa
15
Developing countries
15
Europe, Eastern
14
European Union countries
14
Islamic Empire
14
Colombia
13
Middle East
13
Russia
13
Arab countries
12
Florence (Italy)
12
Islamic countries
12
Scotland
12
Australia
10
Peru
9
Europe, Central
8
Iran
8
Asia
7
Athens
7
Brazil
7
Indonesia
7
Ireland
7
Netherlands
7
Poland
7
Turkey
7
Venezuela
7
Austria
6
Southern States
6
Athens (Greece)
5
Cuba
5
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