Keylor, William R.,  1944- <br/><br/>
The twentieth-century world :  an international history / 
William R. Keylor. 
 - 2nd ed. 
 - New York :  Oxford University Press,  1992. 
 - xii, 542 p. ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0195068033 
<br/><br/><label>Subjects--Topical Terms: </label><br/>World politics--20th century<br/>International relations