Dewey , Melvil  . <br/><br/>
Dewey decimal classification and relative index /  
Melvil Dewey & edited by Benjamin A. Custer. 
 - 19th ed /   . 
 - New York :   Albany ,   1979. 
 - lxxxviii, 482p. :   fig. ;   22cm .  
<br/><br/>NULL 
<br/><br/><label>ISBN: </label> NULL (hbk) 
<br/><br/><label>Dewey Class. No.: </label>025.431  / DEW/D