Kennan, George Frost,  1904- <br/><br/>
American diplomacy, 1900-1950 / 
George Frost Kennan 
 - Chicago, Ill. :  University of Chicago Press,  1951 
 - ix, 154 p. ;  22 cm. 
 - Charles R. Walgreen Foundation lectures. .
<br/><br/><label>ISBN: </label>4226431401 
<br/><br/><label>LCCN: </label>51-012883 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United States--Foreign relations--20th century<br/>United States--Foreign relations--Soviet Union<br/>Soviet Union--Foreign relations--United States