- Subject Headings Manual Updates
- Web-based subscription service
- Discontinued print publications.
Available in Cataloger's Desktop. See http://www.loc.gov/cds/desktop/
- Included in Cataloger's Desktop
Introduction to Subject Heading Authority Control
Available in various formats, these tools help you with subject access. The major subject authority publications include Library of Congress Subject Headings, Classification Web, and Subject Headings Manual and updates. Many of the publications are available in Classification Web (http://www.loc.gov/cds/classweb) and in Cataloger's Desktop (http://www.loc.gov/cds/desktop).