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

 - 23rd 
 - Dublin  OCLC Online Computer Library Center  2011 
 - 1291 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library and Information Science
<br/><br/><label>Dewey Class. No.: </label>720  / DE-D