Brown, James Duff. <br/><br/>
Manuel of library economy /  
by James Duff Brown. 
 - Fourth Edition edited... by W.C. Berwick Sayers. 
 - London :   Grafton & Co.,   1931. 
 - XXIII, 533 p. :   il. ;   22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biblioteconomía