Library of Congress

Authorities & Vocabularies

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Bulk Downloads

Bulk downloads, serialized as RDF/XML, Turtle, or N-triples, are available for the authorities and vocabularies. These may be downloaded as compressed files (ZIP format), with the exception of the LC Name Authority File, which is GZipped. Unless otherwise noted, each download contains MADS/RDF and SKOS/RDF representations of the data.

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Vocabulary/Authority Date Size Download
AFS Ethnographic Thesaurus 27 Oct 2014 3 (MB) nt
AFS Ethnographic Thesaurus 27 Oct 2014 3 (MB) rdfxml
AFS Ethnographic Thesaurus 27 Oct 2014 2 (MB) ttl
BIBFRAME Instances (**Experimental Draft**) 30 May 2018 20 (GB) nt
BIBFRAME Works (**Experimental Draft**) 24 May 2018 18 (GB) nt
Cultural Heritage Organizations 7 Sep 2017 8 (MB) nt
Cultural Heritage Organizations 7 Sep 2017 8 (MB) rdf
Cultural Heritage Organizations 7 Sep 2017 3 (MB) ttl
ISO639-1 Languages 7 Sep 2017 14 (KB) nt
ISO639-1 Languages 7 Sep 2017 16 (KB) rdf
ISO639-1 Languages 7 Sep 2017 7 (KB) ttl
ISO639-2 Languages 7 Sep 2017 40 (KB) nt
ISO639-2 Languages 7 Sep 2017 45 (KB) rdf
ISO639-2 Languages 7 Sep 2017 17 (KB) ttl
ISO639-5 Languages 7 Sep 2017 175 (KB) nt
ISO639-5 Languages 7 Sep 2017 190 (KB) rdf
ISO639-5 Languages 7 Sep 2017 21 (KB) ttl
LC Children's Subject Headings (MADS/RDF only) 31 Jan 2018 390 (KB) nt
LC Children's Subject Headings (SKOS/RDF only) 31 Jan 2018 205 (KB) nt
LC Children's Subject Headings (MADS/RDF only) 31 Jan 2018 424 (KB) rdf
LC Children's Subject Headings (SKOS/RDF only) 31 Jan 2018 225 (KB) rdf
LC Children's Subject Headings (MADS/RDF only) 31 Jan 2018 135 (KB) ttl
LC Children's Subject Headings (SKOS/RDF only) 31 Jan 2018 96 (KB) ttl
LC Demographic Group Terms 31 Aug 2017 2 (MB) nt
LC Demographic Group Terms 31 Aug 2017 2 (MB) rdf
LC Demographic Group Terms 31 Aug 2017 540 (KB) ttl
LC Demographic Group Terms (SKOS/RDF only) 18 Jan 2018 209 (KB) nt
LC Demographic Group Terms (SKOS/RDF only) 18 Jan 2018 229 (KB) rdf
LC Demographic Group Terms (SKOS/RDF only) 18 Jan 2018 75 (KB) ttl
LC Genre/Form Terms (MADS/RDF only) 30 Jan 2018 3 (MB) nt
LC Genre/Form Terms (SKOS/RDF only) 30 Jan 2018 564 (KB) nt
LC Genre/Form Terms (MADS/RDF only) 30 Jan 2018 3 (MB) rdf
LC Genre/Form Terms (SKOS/RDF only) 30 Jan 2018 615 (KB) rdf
LC Genre/Form Terms (MADS/RDF only) 30 Jan 2018 2 (MB) ttl
LC Genre/Form Terms (SKOS/RDF only) 30 Jan 2018 236 (KB) ttl
LC Medium of Performance Thesaurus for Music 31 Aug 2017 2 (MB) rdf
LC Medium of Performance Thesaurus for Music 31 Aug 2017 398 (KB) ttl
LC Medium of Performance Thesaurus for Music 31 Aug 2017 2 (MB) nt
LC Name Authority File (MADS/RDF and SKOS/RDF) 14 Mar 2018 7 (GB) nt
LC Name Authority File (MADS/RDF and SKOS/RDF) 14 Mar 2018 8 (GB) rdf
LC Subject Headings (MADS/RDF only) 4 Oct 2017 195 (MB) nt
LC Subject Headings (SKOS/RDF only) 6 Oct 2017 67 (MB) nt
LC Subject Headings (MADS/RDF only) 4 Oct 2017 210 (MB) rdf
LC Subject Headings (SKOS/RDF only) 6 Oct 2017 74 (MB) rdf
LC Subject Headings (MADS/RDF only) 4 Oct 2017 70 (MB) ttl
LC Subject Headings (SKOS/RDF only) 6 Oct 2017 28 (MB) ttl
MARC Countries 6 Sep 2017 2 (MB) nt
MARC Countries 6 Sep 2017 2 (MB) rdf
MARC Countries 6 Sep 2017 518 (KB) ttl
MARC Geographic Areas 6 Sep 2017 2 (MB) nt
MARC Geographic Areas 6 Sep 2017 2 (MB) rdf
MARC Geographic Areas 6 Sep 2017 320 (KB) ttl
MARC Languages 7 Sep 2017 18 (MB) nt
MARC Languages 7 Sep 2017 19 (MB) rdf
MARC Languages 7 Sep 2017 5 (MB) ttl
MARC Relators 7 Sep 2017 51 (KB) nt
MARC Relators 7 Sep 2017 57 (KB) rdf
MARC Relators 7 Sep 2017 28 (KB) ttl
Thesaurus for Graphic Materials 6 Sep 2017 27 (MB) nt
Thesaurus for Graphic Materials 6 Sep 2017 28 (MB) rdf
Thesaurus for Graphic Materials 6 Sep 2017 8 (MB) ttl