Collier's encyclopedia :  with bibliography and index. 

 - [S.l.] :  Macmillan Educational Corporation, 
 - 1 v. (unpaged) 
 - 24 volumes set. .
 - 24 volumes set. .
<br/><br/> A brand new encyclopedia for the whole family to enjoy. 
<br/><br/><label>Dewey Class. No.: </label>031