Dewey, Melvil. <br/><br/>
Dewey decimal classification and relative index /  Melvil Dewey ; edited by John P Comaromi...[et al.]. 

 - 20th ed. 
 - New York :  Forest Press, a division of OCLC Online Computer Library Center,   1989. 
 - Vols. :  ill. ;  24 cm. 
<br/><br/>V. 4- Relative index-manual ; 
<br/><br/>38  38 
<br/><br/><label>ISBN: </label>0-910608-37-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science. <br/>Classification
<br/><br/><label>Dewey Class. No.: </label>025.431 / D515d