Langridge, Derek Wilton <br/><br/>
Approach to classification for students of librarianship. 

 - London :  Bingley,  1973 
 - 122 p. 
<br/><br/> Monografía 
<br/><br/><label>Subjects--Index Terms: </label>Clasificación - Libros 
<br/><br/><label>LC Class. No.: </label>Z696/L34