Langridge, Derek Wilton <br/><br/>
Approach to classification for students of librarianship / 
by Derek Langridge 
 - London :  Bingley,  1973 
 - 122 p. ;  23 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0851571484 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification