Melvil Dewey <br/><br/>
Dewey Decimal Classification 

 - 23 Edition 
 - Ohio  OCLC Online Computer Library Center   2011 
<br/><br/><label>ISBN: </label>978-1-910608-76-0 
<br/><br/><label>Dewey Class. No.: </label>025.431  / DEW.D.2