The Subject Authority Cooperative Program (SACO) enables member institutions to submit proposals for additions to Library of Congress Subject Headings (LCSH), 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
- Classification Web Interface to be Upgraded (August 14, 2019) [PDF: 82 KB]
Subject Lists (LCSH, LCGFT, LCDGT, LCMPT)
- Tentative subject lists are available for the current month, the past month, and the next month only. Find a tentative subject list.
- Approved subject lists are available from 1997 to the present. Find an approved subject list.
Classification Lists (LCC)
- Tentative classification lists are available for the current month, the past month, and the next month only. Find a tentative classification list.
- Approved classification lists are available from 2002 to the present. Find an approved classification list.
Editorial Meeting Summaries
- 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.
Special Projects Lists
- 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.