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 (Linux ZIP format with default compression level 6). When decompressed, the download files can be 10 times larger. 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** 231GB unzipped) 30 May 2018 20 (GB) nt
BIBFRAME Works (**Experimental Draft** 227GB unzipped) 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) 9 Nov 2018 391 (KB) nt
LC Children's Subject Headings (SKOS/RDF only) 9 Nov 2018 204 (KB) nt
LC Children's Subject Headings (SKOS/RDF only) 9 Nov 2018 226 (KB) rdf
LC Children's Subject Headings (MADS/RDF only) 9 Nov 2018 425 (KB) rdf
LC Children's Subject Headings (SKOS/RDF only) 9 Nov 2018 96 (KB) ttl
LC Children's Subject Headings (MADS/RDF only) 9 Nov 2018 136 (KB) ttl
LC Demographic Group Terms (LCDGT) (MADS/RDF only) 4 Dec 2018 954 (KB) nt
LC Demographic Group Terms (LCDGT) (SKOS/RDF only) 4 Dec 2018 244 (KB) nt
LC Demographic Group Terms (LCDGT) (MADS/RDF only) 4 Dec 2018 2 (MB) rdf
LC Demographic Group Terms (LCDGT) (SKOS/RDF only) 4 Dec 2018 269 (KB) rdf
LC Demographic Group Terms (LCDGT) (MADS/RDF only) 4 Dec 2018 422 (KB) ttl
LC Demographic Group Terms (LCDGT) (SKOS/RDF only) 4 Dec 2018 86 (KB) ttl
LC Genre/Form Terms (LCGFT) (MADS/RDF only) 30 Jan 2018 3 (MB) nt
LC Genre/Form Terms (LCGFT) (SKOS/RDF only) 30 Jan 2018 564 (KB) nt
LC Genre/Form Terms (LCGFT) (MADS/RDF only) 30 Jan 2018 3 (MB) rdf
LC Genre/Form Terms (LCGFT) (SKOS/RDF only) 30 Jan 2018 615 (KB) rdf
LC Genre/Form Terms (LCGFT) (MADS/RDF only) 30 Jan 2018 2 (MB) ttl
LC Genre/Form Terms (LCGFT) (SKOS/RDF only) 30 Jan 2018 236 (KB) ttl
LC Medium of Performance Thesaurus for Music (LCMPT) (SKOS/RDF only) 6 Dec 2018 203 (KB) nt
LC Medium of Performance Thesaurus for Music (LCMPT) (MADS/RDF only) 6 Dec 2018 618 (KB) nt
LC Medium of Performance Thesaurus for Music (LCMPT) (MADS/RDF only) 6 Dec 2018 664 (KB) rdf
LC Medium of Performance Thesaurus for Music (LCMPT) (SKOS/RDF only) 6 Dec 2018 223 (KB) rdf
LC Medium of Performance Thesaurus for Music (LCMPT) (MADS/RDF only) 6 Dec 2018 258 (KB) ttl
LC Medium of Performance Thesaurus for Music (LCMPT) (SKOS/RDF only) 6 Dec 2018 82 (KB) ttl
LC Name Authority File (LCNAF) (MADS/RDF and SKOS/RDF) 14 Mar 2018 7 (GB) nt
LC Name Authority File (LCNAF) (MADS/RDF and SKOS/RDF) 14 Mar 2018 8 (GB) rdf
LC Subject Headings (LCSH) (MADS/RDF only) 9 Nov 2018 205 (MB) nt
LC Subject Headings (LCSH) (SKOS/RDF only) 9 Nov 2018 76 (MB) nt
LC Subject Headings (LCSH) (MADS/RDF only) 9 Nov 2018 222 (MB) rdf
LC Subject Headings (LCSH) (SKOS/RDF only) 9 Nov 2018 83 (MB) rdf
LC Subject Headings (LCSH) (MADS/RDF only) 9 Nov 2018 73 (MB) ttl
LC Subject Headings (LCSH) (SKOS/RDF only) 9 Nov 2018 31 (MB) ttl
MARC Countries (MADS/RDF only) 6 Dec 2018 86 (KB) nt
MARC Countries (SKOS/RDF only) 6 Dec 2018 81 (KB) nt
MARC Countries (MADS/RDF only) 6 Dec 2018 92 (KB) rdf
MARC Countries (SKOS/RDF only) 6 Dec 2018 88 (KB) rdf
MARC Countries (MADS/RDF only) 6 Dec 2018 31 (KB) ttl
MARC Countries (SKOS/RDF only) 6 Dec 2018 34 (KB) ttl
MARC Geographic Areas (GAC) (MADS/RDF only) 6 Dec 2018 108 (KB) nt
MARC Geographic Areas (GAC) (SKOS/RDF only) 6 Dec 2018 86 (KB) nt
MARC Geographic Areas (GAC) (SKOS/RDF only) 6 Dec 2018 95 (KB) rdf
MARC Geographic Areas (GAC) (MADS/RDF only) 6 Dec 2018 115 (KB) rdf
MARC Geographic Areas (GAC) (MADS/RDF only) 6 Dec 2018 37 (KB) ttl
MARC Geographic Areas (GAC) (SKOS/RDF only) 6 Dec 2018 36 (KB) ttl
MARC Languages (SKOS/RDF only) 6 Dec 2018 77 (KB) nt
MARC Languages (MADS/RDF only) 6 Dec 2018 265 (KB) nt
MARC Languages (MADS/RDF only) 6 Dec 2018 286 (KB) rdf
MARC Languages (SKOS/RDF only) 6 Dec 2018 83 (KB) rdf
MARC Languages (MADS/RDF only) 6 Dec 2018 72 (KB) ttl
MARC Languages (SKOS/RDF only) 6 Dec 2018 26 (KB) ttl
Relators 7 Sep 2017 51 (KB) nt
Relators 7 Sep 2017 57 (KB) rdf
Relators 7 Sep 2017 28 (KB) ttl
Thesaurus for Graphic Materials (TGM) 6 Sep 2017 27 (MB) nt
Thesaurus for Graphic Materials (TGM) 6 Sep 2017 28 (MB) rdf
Thesaurus for Graphic Materials (TGM) 6 Sep 2017 8 (MB) ttl