Dewey, Melvil <br/><br/>
Dewey decimal classification and relative index 

 - 20th Edition 
 - Albany  Forest Press  1989 
 - 4V 
<br/><br/><label>ISBN: </label> RS 4770.00, (Set of 4 vol.) 
<br/><br/><label>Source: </label> RS 4770.00, (Set of 4 vol.) 
<br/><br/><label>Dewey Class. No.: </label>025.431 DEW