The World book encyclopedia.  Volume 14:  N-O 

 - Chicago,  Field Enterprises Educational Corp.  c1971 
 - 684 p.  ill. :  26 cm. 
<br/><br/> 24 v. 
<br/><br/>Includes bibliographies. 
<br/><br/>v. 21-22. Australasia.--v. 23-24. British Isles. 
<br/><br/><label>ISBN: </label>0716600714 (v. 120) varies 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries.
<br/><br/><label>Dewey Class. No.: </label>031  / WOR 1971