Handbook of special librarianship and information work / 
general editor, Wilfred Ashworth 
 - 2nd ed. 
 - London :  Aslib,  1962 [Impression 1963] 
 - 508 p. :  ill. ;  21 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Special libraries.<br/>Information services.
<br/><br/><label>Dewey Class. No.: </label>020  / HAN 1963