Grolier academic encyclopedia. 

 - China :   Grolier International,  c 1987. 
 - Vols. ;  29 cm. 
<br/><br/>V. 14- (N-O) ; 
<br/><br/>323  323 
<br/><br/><label>ISBN: </label>0-7172-2017-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedia.<br/>Dictionary.
<br/><br/><label>Dewey Class. No.: </label>031 / G513