Compiled annually on September 1st by Joyce T. Ogden
Annual list of changed subject heading subdivisions made conveniently available in .pdf files in either an alphabetical list or a list by category)
This guide is used by subject catalogers and authority control specialists to update older catalog copy and database access points.
Between “—Addresses, essays, lectures”and “—Zoning maps”, each fully-cumulated, annually-enlarged edition contains over 2,200 changed, discontinued, and/or re-arranged LCSH subdivisions.
The 2010 edition has ISBN 978-0-9726688-8-0.