Library of Congress subject heading / 
Barbara B. Tillett, Chief, Catalonging 
 - 20th ed 
 - Washington :  Library of congress,  c1997 
 - 4 Volume 
<br/><br/> Volume 1 A-C,  Volume 2 D-J, Volume 3 K-P, Volume  4 Q-Z 
<br/><br/><label>ISBN: </label>10789711 [ISSN] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Subject headings, Library of Congress.
<br/><br/><label>Dewey Class. No.: </label>025.47  / L697