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. hpVVvJOVp/sBdzH+lTFE9DJd+Ob+Lh5Cd5YyOuQs1+Bq27iovT3cvfFCK6wEiPDA
