Subject headings used in the dictionary catalogs of the Library of Congress [from 1897 through June 1964]. 

 - 7th ed. / edited by Marguerite V. Quattlebaum.  7th ed. / edited by Marguerite V. Quattlebaum. 
 - Washington :  [For sale by the Card Division, Library of Congress],  1966. 
<br/><br/> "Additions to and changes in these headings will be found in the supplement for July 1964-December 1965, and in monthly and cumulative supplements beginning with January 1966." 
<br/><br/><label>LCCN: </label>65060043 //r872 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Subject headings, Library of Congress.
<br/><br/><label>LC Class. No.: </label>Z695  / .U4749