USMARC format for classification data
Subtitle: including guidelines for content designation
By: prepared by Network Development and MARC Standards Office.
Contributors: Library of Congress. Network Development and MARC Standards Office.
Publisher: Cataloging Distribution Service, Library of Congress
Published: 1990
Place of publication: Washington
Language: eng
Subjects: Classification -- Books -- Data processing.; MARC formats -- United States.
Notes: Merged with: Canadian MARC communication format. Classification data, to form: MARC 21 format for classification data.