Subject Region
United States
330
Great Britain
59
Europe
37
France
26
England
22
Australia
19
Developing countries
19
Africa
17
America
17
Greece
17
Canada
15
China
14
Spain
14
Mexico
13
Germany
12
Rome
11
India
9
Italy
9
Middle East
9
North America
9
Soviet Union
8
Iraq
7
Netherlands
7
Oceania
7
Asia
6
Egypt
6
Mediterranean Region
6
Latin America
5
Eurasia
4
Foreign countries
4
Illinois
4
Islamic countries
4
Israel
4
Melanesia
4
Oregon
4
Alaska
3
Arizona
3
Crete (Greece)
3
Europe, Central
3
Europe, Eastern
3
European Union countries
3
Florida
3
Ireland
3
Ithaca
3
Malaysia
3
New York (State)
3
Ontario
3
Poland
3
Samoan Islands
3
Scotland
3
more ...