Guide to reference material 

 - London:   The Library Association,   1959 
 - viii, 543p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science
<br/><br/><label>Subjects--Index Terms: </label>Reference material 
<br/><br/><label>Universal Decimal Class. No.: </label>D 03(026)  / J9