http：//www.nsarchive.gwu.edu/coldwar/documents/episode-1/kennan.html；“The Charge in the Soviet Union（Kennan）to the Secretary of State”， FRUS ，Vol.6，1946，pp.696-709. brMbHqebxDg/qlhVvtOVr8c8WTkdtysD4LH/qIsFh5bpoZ2r0IMU/oU4pxBjQaZo
