Sears list of subject headings / 
Edited by Barbara A. Bristow and Christi Showman Farrar. 
 - 21st edition. 
 - Canada.  2014 
 - liii, 946 pages ;  24 cm. +. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781619251908 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Subject headings.