Grolier encyclopedia of knowledge. 

 - Danbury :  Grolier Incorporated,  c 1995. 
 - Vols. :  ill. ;  24 cm. 
<br/><br/>V. 20-- ; 
<br/><br/>61  61 
<br/><br/><label>ISBN: </label>0-7172-5326-0 0-7172-5346-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Encyclopedia.
<br/><br/><label>Dewey Class. No.: </label>030 / G894