Brown James Duff Au. <br/><br/>
Manual of library economy 
Brown James Duff Au. 
 - 6th 
 - London  Grafton & co. London       1949 
 - xx,603p  cm. 
<br/><br/><label>Standard No.: </label>6,830 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>2:8, H9