Dewey, Melvil. <br/><br/>
Dewey decimal classification and relative index /  
devised by Melvil Dewey. 
 - 19th. ed. 
 - Albany, N.Y. :   Forest Press, a division of OCLC Online Computer Library Center,   1979. 
 - 1217 p. :   24 cm. 
<br/><br/><label>ISBN: </label>0910608210 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dewey Decimal Classification.<br/>Sort books.<br/>Decimal Classification.<br/>Classification systems.
<br/><br/><label>Dewey Class. No.: </label>025.431  / M D