Manual of library economy  a conspectus of professional librarianship for students and practioners /  [Texte imprimé] : 
ed. by R. Northwood Lock 
 - London:  Clive Bingley,  1977 
<br/><br/>Notes bibliogr. 
<br/><br/><label>ISBN: </label>0-85157-226-X 
<br/><br/><label>Dewey Class. No.: </label>020