Langer, William L.  1896-1977. <br/><br/>
An encyclopedia of world history:   ancient, medieval and modern, chronologically arranged /  
compiled and edited by William L. Langer. 
 - 4th ed. revised and enlarged. 
 - London :   Harrap,  1968. 
 - xxxix, 1504 p. :   tables, maps.  25 cm. 
<br/><br/><label>ISBN: </label>0245596224 
<br/><br/><label>LCCN: </label>74442588  
<br/><br/><label>Nat. Bib. No.: </label>B69-12495 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History--Outlines, syllabi, etc.
<br/><br/><label>LC Class. No.: </label>D21  / .L27 1968b 
<br/><br/><label>Dewey Class. No.: </label>903  / LAE