Carr, Edward Hallett. <br/><br/>
The twenty years' crisis, 1919-1939 :  an introduction to the study of international relations / 
by Edward Hallett Carr. 
 - London :  Macmillan,  1961. 
 - xii, 243 p. ;  21 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/> International relations--History--20th century<br/>World politics-- 1900-1945
<br/><br/><label>Dewey Class. No.: </label>327.09042  / CAT 1961