Langridge, Derek. <br/><br/>
Approach to classification  : For students of librarianship 
/ by Derek Langridge 
 - London:   Clive Bingley Ltd.,   1973. 
 - 122p. 
<br/><br/><label>ISBN: </label>851571484 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification<br/>Librarianship<br/>Library science<br/>Subject indexing
<br/><br/><label>Dewey Class. No.: </label>025.4  / LAN/A