Langridge, Derek Wilton. <br/><br/>
Approach to classification for students of librarianship / 
Derek Langridge. 
 - London :  Bingley,  1973 
 - 122 p. ;  23 cm 
<br/><br/>Includes index. 
<br/><br/>
<br/><br/><label>ISBN: </label>0851571484 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification--Books.
<br/><br/><label>Dewey Class. No.: </label>025.4  / LAA 1973