- Sampson, Charles S. (6)
- United States. Dept. of State (4)
- Glennon, John P., 1932- (3)
- Slany, William Z. (3)
- Bernbaum, John A. (2)
- United States. Congress (2)
- United States. Dept. of State. Office of the Historian (2)
- Baehler, David M. (1)
- Coffman, Suzanne E. (1)
- Keefer, Edward C. (1)
- Landa, Ronald D. (1)
- Rose, Lisle Abbott, 1936- (1)