Douglas MacArthur's address to the Annual Stockholders Sperry Rand Corporation in New York (July 30, 1957) as quoted in "General MacArthur Speeches and Reports 1908-1964" edited by Edward T. Imparato (p. 206), June 14, 2000.
Supreme Commander for the Allied Powers, Douglas MacArthur (1966). “Reports of General MacArthur: suppl. MacArthur in Japan: the occupation, military phase”