This repo contains a partial mirror of the bulk data downloads from the Library of Congress Linked Data Service. Both MADS/RDF and SKOS/RDF files are mirrored in Turtle (TTL) format, and can easily be crosswalked to any other available serialization format (JSON-LD, N-Triples, or XML).

Mirrored Authorities and Vocabularies

MADS/RDF (TTL)

• Name Authority File
• Subject Headings
• Children's Subject Headings
• Genre/Form Terms
• Medium of Performance Thesaurus for Music
• Demographic Group Terms
• Cataloging
• Relators
• MARC Languages
• ISO639-1 Languages
• ISO639-2 Languages
• ISO639-5 Languages
• MARC Countries
• MARC Geographic Areas
• Cultural Heritage Organizations
• Thesaurus for Graphic Materials
• AFS Ethnographic Thesaurus

SKOS/RDF (TTL)

• Name Authority File
• Subject Headings
• Children's Subject Headings
• Genre/Form Terms
• Medium of Performance Thesaurus for Music
• Demographic Group Terms
• Cataloging
• Relators
• MARC Languages
• ISO639-1 Languages
• ISO639-2 Languages
• ISO639-5 Languages
• MARC Countries
• MARC Geographic Areas
• Cultural Heritage Organizations
• Thesaurus for Graphic Materials
• AFS Ethnographic Thesaurus

BIBFRAME (TTL)

• BIBFRAME Hubs

External (NT)

• Extra RDF