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. whE/m9B39o4tbmKV66JYFfd6lGk0MfVDg5uxUKF6GYzYddyeyGWYS1lm6hATNOEU