Batty David <br/><br/>
Introduction to the twentieth edition the Dewey decimal classification 

 - London  Library Association         1992 
 - 202p.  cm. 
<br/><br/><label>Standard No.: </label>35599 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LIBRARY SCIENCE
<br/><br/><label>Dewey Class. No.: </label>2 :51M76, N2