Dewey, Melvil. <br/><br/>
Dewey decimal classification and relative index 
/ by Melvil Dewey 
 - 9th ed. 
 - New York:   Forest press Inc.,   1966. 
 - 594p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification<br/>Complex subject<br/>Dewey Decimal<br/>Library science
<br/><br/><label>Dewey Class. No.: </label>025.4  / DEW/D