Cataloging and Acquisitions
Acquisitions and Bibliographic Access Directorate of the Library of Congress

Subject and Other Controlled Vocabularies

• LCSH -- CYAC -- LCGFT -- LCDGT -- LCMPT
• Process for Adding and Revising Library of Congress Subject Headings
• Approved Lists
• Submit a Proposal (PDF, 89 KB)
• Subject headings for Indigenous peoples
• LCSH Multiples Cancellation Project
• Genre/Form Headings at the Library of Congress
• More Information

Subject Editorial Meetings

• Library of Congress Subject Editorial Meetings: Description and Calendar for 2024 (PDF, 137 KB; rev. Sept. 2024)
• Tentative Subject Lists
• New Email Address for Comments on Tentative Monthly Lists (PDF, 43 KB)

Resources for Cataloging

• Library of Congress Policy Regarding Requests for the Creation and Modification of Catalog Records
• Library of Congress Catalog
• Library of Congress Authority Records
• ALA-LC Romanization Tables
• More Resources

Cooperative Cataloging Programs

• Overview
• Program for Cooperative Cataloging (PCC)
• SACO - NACO - CONSER - BIBCO
• Catalogers Learning Workshop (CLW)
• National Union Catalog of Manuscript Collections (NUCMC)
• Children’s and Young Adults’ Cataloging Program (CYAC)

Classification and Shelflisting

• Approved Lists
• Tentative Lists
• Submit a Proposal (PDF, 75 KB)
• Classification Outline
• More Information

Descriptive Cataloging

• RDA (Resource Description and Access) Information and Resources
• View All

Acquisitions

• Acquisitions Home
• Acquisitions FAQ
• Cooperative Acquisitions
• Collection Development and Policies
• Information for Vendors

Products Available for Purchase

• Classification Web Plus
• MARC Distribution Services
• View all products for purchase

Products Available for Download

• Subject Headings (LCSH)
• Subject Headings Manual (SHM)
• Classification Schedules (LCC)
• Classification and Shelflisting Manual (CSM)
• Genre/Form Terms (LCGFT) and Manual
• Demographic Group Terms (LCDGT) and Manual
• Medium of Performance Thesaurus for Music (LCMPT)
• Children's Subject Headings (CYAC)
• Updates to Manuals
• Cataloging Service Bulletin (CSB): 1978 to 2010
• Descriptive Cataloging Manual (DCM)
• Library of Congress Rule Interpretations (LCRI): Updates 2006 to 2010