Dewey, Melvil, 1851-1931 <br/><br/>
Dewey decimal classification 21 and relative index. Volume 1. 

 - 21st 
 - Albany, N.Y.  Forest Press, a division of OCLC Online Computer Library Center  1996 
<br/><br/><label>ISBN: </label>9780910608510 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification, Dewey decimal
<br/><br/><label>Dewey Class. No.: </label>025.431