Langer, William L. <br/><br/>
An Encyclopedia of World History:  Ancient, Medieval, And Modern Chronologically Arranged 
/ edited by William L. Langer 
 - 5th ed. 
 - London:  Harrap & Co.Ltd.,  1972. 
 - xxxix, 1569p. 
<br/><br/><label>ISBN: </label>0245509925 
<br/><br/><label>Dewey Class. No.: </label>909  / LAN/A