1. “Memorandum by the Chief of the Division of Northeast Asian Affairs (Borton) to the Counselor of the Department (Bohlen),” 6 08 1947, p. 478
2. FRUS, 1955–1957: Vol. 23, Part 1, p. 411.
3. “Liuchiu Islands (Ryūkyū)” (secret), 2 07 1943
4. Coox Alvin D. , “The Pacific War,” in CHOJ: Vol. 6, p. 367.