Decimal classification:  Additions, notes and decisions 

 - Washington:   INSDOC,   1959 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science
<br/><br/><label>Subjects--Index Terms: </label>DDC 
<br/><br/><label>Universal Decimal Class. No.: </label>R 025.45  / J9;K4