Dewey, Melvil,  1851-1931. <br/><br/>
Dewey decimal classification and relative index / 
devised by Melvil Dewey. 
 - Ed. 23 /  edited by Joan S. Mitchell ... [et al.] 
 - Dublin, Ohio :  OCLC,  2011. 
 - 4 v. 
<br/><br/> Title on cover: DDC23. 
<br/><br/><label>ISBN: </label>9781910608814 1910608815 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification, Dewey decimal