Library of congress. <br/><br/>
SUBJECT HEADINGS. 

 - 12th  ed. 
 - Washington :  Cataloging distribution,  1989. 
 - 4463  p. ;    cm. 
<br/><br/><label>ISBN: </label> $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>subject headings.