[ **up: [[Cataloguing]] | [[Controlled vocabularies]]** ] --- # Library of Congress Subject Headings (LCSH) ## LCSH companions - [['Homosaurus - An International LGBTQ+ Linked Data Vocabulary' (website)|Homosaurus: An International LGBTQ+ Linked Data Vocabulary]] --- ## External resources - [Library of Congress Subject Headings search](https://id.loc.gov/authorities/subjects.html) — allows for heading search; results give BT (broader terms), NT (narrower terms), RT (related terms); as well as matches in other schema. **Free to use.** + [Library of Congress Authorities search](https://authorities.loc.gov/) — “… browse and view authority headings for Subject, Name, Title, and Name/Title combinations; and download authority records in MARC format for use in a local library system.” Breaks things down in immense detail, and is *very* worth using (albeit rather slow). **Free to use.** - [‘Cataloging and Acquisitions’](https://www.loc.gov/aba/) — Acquisitions and Bibliographic Access Directorate of the Library of Congress (landing page with links to news, etc, as well as info re. subject and other controlled vocabularies)