Region
United States
415
Soviet Union
5
Asia
4
New York
4
New York (State)
4
Europe
3
Great Britain
3
Southern States
3
États-Unis
3
Austria
2
California
2
Cuba
2
Oak Ridge
2
Oak Ridge (Tenn.)
2
Oceania
2
Tennessee
2
Vienna
2
West (U.S.)
2
Alabama
1
Arkansas
1
Astronautics
1
Atomic bomb
1
Chicago
1
Chicago (Ill.)
1
Confederate States of America
1
Hawaii
1
Illinois
1
Japan
1
Latin America
1
Little Rock
1
Montgomery
1
New York (N.Y.)
1
USA
1