3/24/2022
Lists of additions and changes to the Library of Congress Classification (LCC) starting with Weekly List 49 (December 6, 2002) are posted at https://classweb.org/approved/ as they are approved.
The information in the weekly lists was formerly made available in a quarterly publication entitled LC Classification: Additions and Changes. That publication ceased with List 284 (October- December 2001).
The online product Classification Web is the official and up-to-date version of the Library of Congress Classification. Classification Web is available by subscription from the Cataloging Distribution Service.
