Handbook of special librarianship and information work. / 
Wilfred Ashworth 
 - London :  Aslib ;  1955. 
 - 387 p. :  illus. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science.<br/>Special libraries.
<br/><br/><label>Dewey Class. No.: </label>026  / HAN 1955