Hutchins, Margaret  <br/><br/>
Introduction to reference work 

 - Chicago:   American Library Association,   1944 
 - 214p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science
<br/><br/><label>Subjects--Index Terms: </label>Library service Classification 
<br/><br/><label>Universal Decimal Class. No.: </label>D 025.5  / H4.2