Dewey, Melvil <br/><br/>
Dewey Decimal Classification and Relative index (DDC 21) : Vol.4 Manual  

 - 21ST ED 
 - New York    Forest Press  1996 
<br/><br/><label>ISBN: </label>978-0-910608-54-1 0-910608-54-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification,Dewey decimal
<br/><br/><label>Dewey Class. No.: </label>025.431 DEW