Subject Region
United States
393
Germany
59
Europe
15
Great Britain
10
Pennsylvania
10
France
8
Soviet Union
8
America
6
Austria
6
Germany (West)
6
Mexico
5
Confederate States of America
4
Estados Unidos
4
Mississippi River Valley
3
Bahamas
2
Berlin
2
Berlin (Germany)
2
Bohemia
2
Canada
2
China
2
Colombia
2
Cuba
2
Czech Republic
2
East Asia
2
Germany (East)
2
Guatemala
2
Lancaster County (Pa.)
2
Latin America
2
Louisiana
2
Maryland
2
New Jersey
2
New Orleans
2
New Orleans (La.)
2
New York (State)
2
Philadelphia
2
Russia
2
Wisconsin
2
Alaska
1
Alemania
1
Algeria
1
America Latina
1
America del Sur
1
Arctic regions
1
Arkansas
1
Asia
1
Balkan Peninsula
1
Black Hills
1
Bolivia
1
Brasil
1
Brazil
1
more ...