Subject Region
United States
581
Great Britain
25
Germany
18
Vietnam
16
France
14
Canada
12
Australia
11
Confederate States of America
11
New York (State)
11
Japan
10
England
9
Soviet Union
9
Texas
9
California
8
Florida
8
Washington (D.C.)
8
Southern States
7
Maine
6
New York
6
New York (N.Y.)
6
North Carolina
6
Pennsylvania
6
China
5
Georgia
5
Spain
5
Hawaii
4
Illinois
4
London (England)
4
New Hampshire
4
Russia (Federation)
4
Western Front
4
Zimbabwe
4
London
3
Los Angeles (Calif.)
3
Massachusetts
3
Middle East
3
Oklahoma
3
South Africa
3
Southeast Asia
3
Vietnam (Republic)
3
Virginia
3
Wisconsin
3
Yugoslavia
3
Africa
2
Alaska
2
Angola
2
Austria
2
Boston
2
Brazil
2
California, Northern
2
more ...