Guide to reference material. 

 - London :  New York, N.Y. :  Library Association ;  Distributed in the U.S.A. by R.R. Bowker,  1973 
 - 2v. ;  26 cm. 
 - Irregular 
 - 3rd ed. 
<br/><br/> Editor: 1959-1977 A.J. Walford. 
<br/><br/>Vol. issued in 1959 has supplement. 
<br/><br/><label>LCCN: </label>2002201819 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference books--Great Britain--Bibliography.
<br/><br/><label>LC Class. No.: </label>Z1035.1  / .W33