MARC 21 concise formats / 
prepared by Network Development & MARC Standards Office, Library of Congress. 
 - 2006 ed. 
 - Washington :  Library of Congress, Cataloging Distributing Service,  c2006. 
 - [various pagings] ;  29 cm. 
<br/><br/><br/>Working tool held in the Cataloging Section. 
<br/><br/><label>ISBN: </label>139780844411651 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MARC formats.