1. Elmer Plischke, Conduct of American Diplomacy (3rd ed.; Princeton: D. Van Nostrand Co., Inc., 1967), pp. 48–49.
2. Edward S. Corwin, The President: Office and Powers 1787–1957 (New York: New York University Press, 1957), pp. 206, 440 note 105.
3. Dean Acheson, “The President and the Secretary of State,” in Don K. Price (ed.), The Secretary of State (Englewood Cliffs, N.J.: Prentice-Hall Inc., 1960), p. 34.
4. Henry M. Jackson (ed.), The Secretary of State and the Ambassador (New York: Frederick A. Praeger, Pub., 1964), pp. 70–71.
5. Chester Bowles, “Toward A New Diplomacy,” Foreign Affairs, Vol. 40 (January, 1962), pp. 244–251.