The Book of knowledge annual.  [electronic resource]  

 - New York :  The Grolier Society,  c1941- 
 - v. :  ill. (part col.), maps ;  25 cm. 
 - Began with 1941 annual 
<br/><br/>Two editions of the 1942 annual were issued, copyrighted 1941 and 1942 respectively. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children's encyclopedias and dictionaries.