Subject headings:   Used in the dictionary catalogs of the library of congress 

 - 7th ed. 
 - Washington:   Library of Congress Processing Department Subject Cataloging Division,   1966 
 - 246p. 
 - Supplement July1964-December 1965 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science
<br/><br/><label>Subjects--Index Terms: </label>Subject headings 
<br/><br/><label>Universal Decimal Class. No.: </label>D 025.343LC  / J7;K6-1