Landau, Thomas., ed. <br/><br/>
Encyclopaedia of librarianship 

 - 3rd ed. 
 - London  Bowes & Bowes  1966 
 - x, 484 p. 
<br/><br/><label>ISBN: </label>33357 
<br/><br/><label>Dewey Class. No.: </label>20.3  / ENC