Subject Region
United States
Southern States
28
Great Britain
24
Canada
12
Pennsylvania
12
Europe
11
California
10
New York (State)
10
China
8
Massachusetts
8
Texas
7
Connecticut
6
Michigan
6
New York
6
South Carolina
6
Carlisle
5
Illinois
5
Washington (D.C.)
5
Brazil
4
England
4
Japan
4
Mexico
4
Nashville (Tenn.)
4
Philadelphia
4
Soviet Union
4
Wisconsin
4
Africa
3
Australia
3
Chicago (Ill.)
3
Cuba
3
Dearborn
3
Dearborn (Mich.)
3
Latin America
3
Oakland
3
Afghanistan
2
Argentina
2
Atlanta
2
Cambridge
2
Chapel Hill
2
East Asia
2
Florida
2
Georgia
2
Greece
2
Indiana
2
Israel
2
Kentucky
2
Milwaukee
2
Minneapolis
2
Minnesota
2
New Jersey
2
more ...