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The Library of Congress Classification (LCC) is a classification system that was first developed in the late nineteenth and early twentieth centuries to organize and arrange the book collections of the Library of Congress. Proposals for additions and changes are reviewed regularly at staff meetings in the Policy and Standards Division (PSD) and an approved list is published.

• More About the Library of Congress Classification (LCC)
• View the Library of Congress Classification Outline

Library of Congress Classification Approved Lists
2013: List 05 (May 20) 2013: List 04 (April 15) 2013: List 03 (March 18) 2013: List 02 (February 18) 2013: List 01 (January 21) Approved Lists from 2012 Approved Lists from 2011 Weekly Lists from 2010 Weekly Lists from 2009 Weekly Lists from 2008 Weekly Lists from 2007 Weekly Lists from 2006 Weekly Lists from 2005 Weekly Lists from 2004 Weekly Lists from 2003 Weekly Lists from 2002

• About the LCC Approved Lists
• Submit a Proposal [PDF, 75 KB]
• View the Most Recent Tentative Lists
• View Summary of Decisions from Recent PSD Meetings

News & Announcements (By Date)

• Revised Classification and Shelflisting Manual Instruction Sheets (April 29, 2013)
• Subclass G (Cartographic Materials): Geographic Cutter Numbers (Tables G1548-G9804) (December 5, 2012)
• Subclasses KBM (Jewish Law) and KBP (Islamic Law): Notes on Design and Suggested Use of the Schedules (July 20, 2012)
• Library of Congress Classes JZ and KZ: Historical Notes and Introduction to Application Errata (December 17, 2010)
• Subclass G (Cartographic Materials): Special Instructions and Tables of Subdivisions for Cartographic Materials (May 6, 2002)
• View All News & Announcements

Products Available for Purchase

• LC Classification Schedules, A-Z
• Classification and Shelflisting Manual
• Classification Web
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• View all products for purchase

Additional Resources

• Library of Congress Subject Headings
• MARC Standards
• SACO - Subject Authority Cooperative Program

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