Dean Acheson: United States Position on China, August 1949
Waging Peace in the Americas: Address by Secretary Acheson, September 19, 1949
Mao's Telegrams Summarizing his Moscow Visit, December 1949-February 1950
Senator Joseph McCarthy's Speech on Communists in the State Department, February 1950
CIA Summaries on the North Korean Invasion, July 1950
Report of the United Nations Commission on Korea, 1950
"Isolation and Expansion" by Walter Lippmann, 1952