• Cataloging and Acquisitions Home
• About the Organization
• Contact
• FAQs
• News

• Acquisitions
• Resources for Cataloging
• Catalogs, Authority Records
• Classification and Shelflisting
• Cooperative Cataloging Programs
• Descriptive Cataloging
• Products for Purchase
• Publications, Reports
• Subject Headings & Genre/Form Terms

About the Archived Library of Congress Subject Headings PDF Files

These earlier editions of Library of Congress Subject Headings (LCSH) are available for research purposes only. These editions may contain obsolete or superseded data and should not be used for current cataloging.

• 40th Edition (January 2018)
• 39th Edition (April 2017)
• 38th Edition (January 2016)
• 37th Edition (January 2015)
• 36th Edition (June 2014)
• 35th Edition (January 2013)
• 34th Edition (March 2012)