1. Andrew Rudalevige, The New Imperial Presidency (Ann Arbor: University of Michigan Press, 2005).
2. Jeffrey Kimball, Nixon’s Vietnam War (Lawrence: University of Kansas Press, 2002).
3. George C. Herring, America’s Longest War: The United States and Vietnam, 1950–1975 (New York: Wiley, 1979), 217–251.
4. Tad Szulc, The Illusion of Peace: Foreign Policy in the Nixon Years (New York: Viking, 1978), 150.
5. Nixon, RN: the Memoirs (New York: Grosset & Dunlap, 1978), 382.