Geography
United States
276 results
Texas
81 results
Great Britain
28 results
Ohio
12 results
France
9 results
Europe
8 results
Soviet Union
8 results
Germany
7 results
Missouri
7 results
Developing countries
6 results
England
6 results
New York (State)
6 results
Pennsylvania
6 results
Iowa
5 results
Nigeria
5 results
Sweden
5 results
Asia
4 results
Canada
4 results
Louisiana
4 results
Michigan
4 results
Utah
4 results
Brazil
3 results
Cleveland
3 results
Illinois
3 results
Iraq
3 results
Kansas
3 results
Latin America
3 results
Liberia
3 results
Mexico
3 results
Mississippi
3 results
Oregon
3 results
USA
3 results
West Virginia
3 results
Arizona
2 results
Arkansas
2 results
Borger
2 results
California
2 results
College Station
2 results
Italy
2 results
Kurdistān
2 results
Kurdistān (Iraq)
2 results
Maine
2 results
Minnesota
2 results
Nebraska
2 results
Nevada
2 results
New York
2 results
North Carolina
2 results
Omaha
2 results
Pacific Area
2 results
Paris
2 results
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