USMARC format for authority data :  including guidelines for content designation / 
prepered by Network Development and MARC Standards Office. 
 - 1993 ed. 
 - Washington :  Library of Congress.Cataloging Distribution Service,  1993. 
 - v. p. ;  28 cm. 
<br/><br/><label>ISBN: </label>0844408026 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MARC formats--United States.<br/>Authority files (Cataloging)--Data processing--Standards--United States<br/>Holdings (Bibliographic data)--Standards--United States
<br/><br/><label>LC Class. No.: </label>Z699.35.M28  / U8 1993