Walford <br/><br/>
Walford's Concise Guide To Reference Material 
A.J. Walford 
 - London:  The Library Association.  1981, 
 - x434p. 
<br/><br/><label>ISBN: </label>0853658821 
<br/><br/><label>Dewey Class. No.: </label>011.02  / WAL/W