The world book encyclopedia  : s-sn 

 - Chicago  World Book-Childcraft International  1978 
 - (v.17-446 p.) 
<br/><br/><label>ISBN: </label>716600781 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopaedia
<br/><br/><label>Dewey Class. No.: </label>32  / WOR