Kennan, George Frost <br/><br/>
American diplomacy, 1900-1950 / 
George Frost Kennan. 
 - New York:  New American Library,  1951. 
 - 144 s. ;  19 cm. 
<br/><br/><label>Subjects--Index Terms: </label>United States -- Foreign Relations -- 20th Century United States -- Foreign Relations -- Soviet Union. Soviet Union -- Foreign Relations -- United States