Subject Region
United States
Southern States
24
Confederate States of America
17
Great Britain
17
Puerto Rico
16
Canada
15
Mexico
15
Europe
13
Northeastern States
8
Soviet Union
8
China
7
Cuba
6
Germany
6
India
6
Japan
6
Philippines
6
Arab countries
5
Israel
5
Middle East
5
Québec (Province)
5
Africa
4
Pennsylvania
4
Russia (Federation)
4
Virginia
4
Delaware River Valley (N.Y.-Del. and N.J.)
3
France
3
George Washington Birthplace National Monument (Va.)
3
Hawaii
3
Iran
3
Lancaster
3
Lancaster (Pa.)
3
Louisiana
3
Mexican-American Border Region
3
Middle Atlantic States
3
North America
3
Russia
3
Southeast Asia
3
Southwest, New
3
Switzerland
3
Vietnam
3
Western countries
3
Developing countries
2
East Asia
2
Egypt
2
Indochina
2
Indonesia
2
Ireland
2
Italy
2
Italy, Southern
2
Jordan
2
more ...