Compton's encyclopedia & fact-index 

 - [pelbagai pages] :   illustrations ;   26 cm 
<br/><br/> Vol.17 : Nk-O 
<br/><br/><label>ISBN: </label>0944262007 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries
<br/><br/><label>Dewey Class. No.: </label>032.02