Walford, A.J. <br/><br/>
Guide to reference material 
/ edited by A.J.Walford 
 - 3rd ed. 
 - London  Library association  1975 
 - 2v(v.2-vii,647)p. 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>853650888 
<br/><br/><label>Dewey Class. No.: </label>16  / GUI