An encyclopedia of world history, ancient, medieval and modern, chronologically arranged / 
compiled and edited by William L. Langer. 
 - Fouth ed. 
 - xxxix, 1504 pages. :  maps, geneal. tables. ;  24 cm. 
<br/><br/> 'Revised with the assistance of Geoffrey Bruun.'  Revised and englarged with maps and genealogical tables. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History--Outlines, syllabi, etc.