Region
Alabama
3
Arkansas
1
Astronautics
1
Atomic bomb
1
Australia
1
Berlin (Germany)
1
Cape May
1
Cape May (N.J.)
1
China
1
Europe
1
Foreign relations
1
Germany
1
Great Britain
3
Hong Kong
1
Hong Kong (China)
1
Ibiza Island (Spain)
1
Japan
1
Levittown (N.Y.)
1
Little Rock
1
Missouri
1
Montgomery
1
Moon
1
Nevada
1
New Jersey
2
New York (N.Y.)
1
Ohio
1
Pennsylvania
1
Philadelphia (Pa.)
1
Pittsburgh
1
Pittsburgh (Pa.)
2
Southern States
5
Soviet Union
1
Spain
1
United States
24
Vermont
1
Washington (D.C.)
1