MARC 21 format for classification data  including guidelines for content designation 
prepared by Network Development and MARC Standards Office, Library of Congress in cooperation with Standards and Support, National Library of Canada 
 - Washington  Ottawa  Library of Congress, Cataloging Distribution Service  National Library of Canada  2000- 
<br/><br/> Description based on: update no.2 (Oct. 2001) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification--Books--Data processing<br/>MARC formats
<br/><br/><label>GPO Item No.: </label>0815-G-03 
<br/><br/><label>Gov. Doc. Class. No.: </label>LC 30.25/4: