The Subject Authority Cooperative Program (SACO) enables member institutions to submit proposals for additions to Library of Congress Subject Headings (LCSH), Library of Congress Children's Subject Headings (CYAC), LC Genre/Form Terms (LCGFT), LC Demographic Group Terms (LCDGT), LC Medium of Performance Thesaurus for Music (LCMPT), and LC Classification (LCC) schedules.
Read more about SACO
News
- Announcement: Incoming LCSH Proposals: Expedited List Experiment (August 16, 2022) [PDF: 172 KB]
- Faceted Subject Headings: Exploring the Topic (July 18-19, 2022): Agenda (with links to presentations and recordings) [PDF; 147 KB]
- CYAC Cataloging Manual Instruction Sheets Posted (March 21, 2022)
- LCDGT Moratorium Ends (January 31, 2022) [PDF: 280 KB]
- Library of Congress Subject Editorial Meetings: Description and calendar for 2023 (January 6, 2023) [PDF: 140 KB]
- New Email Address for Comments on Tentative Monthly Lists (September 9, 2021) [PDF: 43 KB]
Subject Lists (LCSH, CYAC, LCGFT, LCDGT, LCMPT)
- Tentative subject lists are available for the current month, the past month, and the next month here: Find a tentative subject list.
- Approved subject lists from Monthly List 22 LCSH (July 15, 2011) to the present are here: Find an approved subject list.
- Approved subject lists from 1997-2021 are here: Find an approved subject list.
Classification Lists (LCC)
- Tentative classification lists are available for the current month, the past month, and the next month here: Find a tentative classification list.
- Approved classification lists from Weekly List 49 (December 6, 2006) to the present are here: Find an approved classification list.
- Approved classification lists from 2002-2021 are here: Find an approved classification list.
Editorial Meetings
- Summaries of decisions made at LC Policy and Standards Division subject/classification editorial meetings are available from 2005 to the present. Find an editorial meeting summary.
- Request to attend a Subject Editorial Meeting [PDF : 138 KB]
Special Projects Lists
- Heading change to Noncitizens and Illegal immigration:
- Special List 2111 (Approved Nov. 12, 2021)
- Letter from PCC Diversity, Equity, and Inclusion Advisory Committee to LC (June 1, 2022)
- Letter from LC to PCC Diversity, Equity, and Inclusion Advisory Committee (June 30, 2022)
- General Genre/Form Terms (Approved List 1513, Jan. 12, 2015)
- Genre/Form Terms for Artistic and Visual Works (Tentative List 1802a, Feb. 16, 2018)
- Genre/Form Terms for Literary Works--Part I (Approved List 1515, Mar. 2, 2015)
- Genre/Form Terms for Literary Works--Part II (Approved List 1516, Sept. 14, 2015)
- Genre/Form Terms for Religious Materials (Approved List 1518, Sept. 8, 2015)
- Demographic Group Terms--Part I (Approved List 1517, June 15, 2015)
- Demographic Group Terms--Part II (Approved List 1519, Dec. 14, 2015)
- Medium of Performance Terms (Approved List 1414, Feb. 10, 2015)
SACO Training
SACO training is an essential component of the program. Members may participate in formal classroom workshops, view online webinars and video sessions at their own pace, or download materials for self-instruction.
SACO Resources & Forms
SACO members use these resources to create and submit subject and classification proposals.
- SACO Proposal Workflow
- Subject Heading Proposal Menu (Classification Web)
- Classification Proposal Menu (Classification Web)
- Web Resources for SACO Proposals
- Sources for Genre/Form Terms (version 4.0, Nov. 15, 2017) [PDF:233 KB]
(compiled by members of the ALCTS CaMMS SAC Subcommittee on Genre/Form Implementation) - SACO Participants' Manual (2nd ed., 2007) [PDF: 3.87 MB]
See all SACO resources & forms
Join SACO
SACO partners are key players in the global development of subject access to information resources.