Chan, Lois Mai <br/><br/>
Library of congress subject headings  Principlesand application / 

 - 4th ed. 
 - New Delhi :  Ess Ess pub ,  2007. 
 - xiii+549 
 - Library and Information Science Text Series .
<br/><br/><label>ISBN: </label>8170005167 
<br/><br/><label>Subjects--Index Terms: </label>Subject Headings