Geography
United States
683 results
Great Britain
91 results
Texas
52 results
Canada
50 results
Greece
32 results
College Station
30 results
États-Unis
28 results
Europe
25 results
England
22 results
Australia
21 results
South Africa
17 results
Soviet Union
17 results
Ireland
16 results
China
15 results
North Carolina
13 results
Rome
12 results
California
11 results
Latin America
11 results
Illinois
10 results
Developing countries
9 results
Germany
9 results
Chicago
8 results
France
8 results
India
8 results
New York (State)
8 results
Pennsylvania
8 results
Africa
7 results
Asia
7 results
Japan
7 results
Brazil
6 results
Grande-Bretagne
6 results
Hawaii
6 results
Massachusetts
6 results
Alaska
5 results
Chapel Hill
5 results
Chicago (Ill.)
5 results
Mexico
5 results
Minnesota
5 results
New York
5 results
New York (N.Y.)
5 results
Nigeria
5 results
North America
5 results
European Union countries
4 results
Germany (East)
4 results
Philadelphia
4 results
Sweden
4 results
Utah
4 results
Argentina
3 results
Caribbean Area
3 results
Detroit (Mich.)
3 results
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