- Keefer, Edward C. (10)
- Glennon, John P., 1932- (8)
- United States. Dept. of State (8)
- Mabon, David W. (4)
- LaFantasie, Glenn W. (2)
- Coffman, Suzanne E. (1)
- Landa, Ronald D. (1)
- Sampson, Charles S. (1)
- Schwar, Harriet D. (1)
- Shaloff, Stanley (1)
- Smith, Louis J. (1)
- United States. Department of State (1)
- United States. Dept. of State. Office of the Historian (1)