Geographic Subject
United States
318
Maryland
21
Great Britain
20
South Africa
16
India
15
America
13
Sweden
11
New York (State)
10
Canada
9
Pennsylvania
8
Mexico
7
Washington (State)
7
France
6
North America
6
Utah
6
Virginia
6
États-Unis
6
Germany
5
Illinois
5
Michigan
5
Ohio
5
Russia (Federation)
5
Soviet Union
5
Thailand
5
Africa
4
Brazil
4
Chicago
4
China
4
Egypt
4
England
4
Georgia
4
Hawaii
4
Liberia
4
Massachusetts
4
Minnesota
4
New Mexico
4
New York (N.Y.)
4
Poland
4
Southern States
4
Arizona
3
Asia
3
Baltimore
3
Congo (Democratic Republic)
3
Cuba
3
Europe
3
Italy
3
Johannesburg
3
New Jersey
3
New Zealand
3
Oklahoma
3
more ...