USMARC format for holdings data  including guidelines for content designation 
prepared by Network Development and MARC Standards Office. 
 - Washington  Cataloging Distribution Service, Library of Congress  1989- 
 - 1 v. (loose-leaf)  28 cm. 
<br/><br/> Earlier ed. published under title: USMARC format for holdings and locations.  Loose-leaf for updating. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>89600354 //r904 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MARC System--Format.--United States<br/>Exchange of bibliographic information--Standards--United States.<br/>Machine-readable bibliographic data--Standards--United States.<br/>Holdings Bibliographic data--Standards--United States.
<br/><br/><label>LC Class. No.: </label>Z699.4.M2  / U755 1989 
<br/><br/><label>Dewey Class. No.: </label>025.3/16