Subject cross reference guide 
/ National Library Service Company 
 - New Jersey:   National Library Service Company,   1976 
 - 602p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science
<br/><br/><label>Subjects--Index Terms: </label>Reference Library service 
<br/><br/><label>Universal Decimal Class. No.: </label>D 025.343  / L6