Guide to reference material / 
edited by A. J. Walford 
 - 2nd ed. 
 - Ottawa :  Canadian Library Association,  1966 
 - 3 v. ;  26 cm. 
<br/><br/><label>LCCN: </label>66-071608 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference books--Bibliography