The Book of knowledge annual.  [electronic resource]  

 - New York,  The Grolier Society. 
 -  illus. (part col.) ports., maps, diagrs.  25 cm. 
 - 1940- 
<br/><br/> 1940, H. Thompson; 1941-52, E. V. McLoughlin (with H. Thompson, 1941); 1953-    L. McDowell. 
<br/><br/>Two editions of the 1942 annual were issued, copyrighted 1941 and 1942 respectively. 
<br/><br/><label>LCCN: </label>40003092  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries.
<br/><br/><label>LC Class. No.: </label>AG5  / .B65 
<br/><br/><label>Dewey Class. No.: </label>031