Dewey, Melvil <br/><br/>
Dewey decimal classification and relativr index 

 - 19th Edition 
 - Albany  OCLC Online Computer Library Centre  1979 
 - 3v ; V.3-1217p. ; V.2-1574p. 
<br/><br/><label>Dewey Class. No.: </label>025.431 DEW