Dewey, Melvil, 1851-1931. <br/><br/>
Dewey decimal classification and relative index  
devised by Melvil Dewey.- Ed.21 / edited by Joan S. Mitchell ... [et al.] 
 - Albany, N.Y. :  Forest Press  1966 
 - 4 v. ;  24cm. 
<br/><br/> * v.1. Introduction. Tables. * v.2-3. Schedules. * v.4. Relative index. Manual  
<br/><br/><label>ISBN: </label>0910608512 9780910608510 
<br/><br/><label>LCCN: </label>45241/4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification, Dewey decimal
<br/><br/><label>Dewey Class. No.: </label>R 025.431/D519d