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Author/Creator
- United States. Congress. House16
- United States. Department of State11
- Eisenhower, Dwight D., 1890-19694
- United States. Atomic Energy Commission (1946-1974)4
- United States. Congress. Senate4
- United States. President (1953-1961 : Eisenhower)4
- Johnson, Lyndon Baines, 1908-19733
- Truman, Harry S., 1884-19723
- United States. President (1945-1953 : Truman)3
- United States. President (1963-1969 : Johnson)3
- Kennedy, John Fitzgerald, 1917-19631
- United States. President (1961-1963 : Kennedy)1