Ashworth, Wilfred <br/><br/>
Handbook of special librarianship and information work 

 - 3rd ed. 
 - London :  Bowker-Saur,  1967 
 - 624 p. ;  23 cm. 
<br/><br/><label>LCCN: </label>67-089439 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Libraries, Special<br/>Information services<br/>Library science