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
LC Children's Subject Headings 5 Sep 2017 4178 (kb) nt
LC Children's Subject Headings 5 Sep 2017 4434 (kb) rdf
LC Children's Subject Headings 5 Sep 2017 2360 (kb) ttl
LC Demographic Group Terms 31 Aug 2017 1741 (kb) nt
LC Demographic Group Terms 31 Aug 2017 1995 (kb) rdf
LC Demographic Group Terms 31 Aug 2017 540 (kb) ttl
LC Genre/Form Terms 5 Sep 2017 5818 (kb) nt
LC Genre/Form Terms 5 Sep 2017 6231 (kb) rdf
LC Genre/Form Terms 5 Sep 2017 1927 (kb) ttl
LC Name Authority File (MADS/RDF only) 7 Apr 2016 2645374 (kb) nt
LC Name Authority File (SKOS/RDF only) 25 Apr 2016 921387 (kb) nt
LC Name Authority File (MADS/RDF only) 5 Apr 2016 2837099 (kb) rdfxml
LC Name Authority File (SKOS/RDF only) 25 Apr 2016 990906 (kb) rdfxml
LC Medium of Performance Thesaurus for Music 31 Aug 2017 1432 (kb) nt
LC Medium of Performance Thesaurus for Music 31 Aug 2017 1692 (kb) rdf
LC Medium of Performance Thesaurus for Music 31 Aug 2017 398 (kb) ttl
LC Subject Headings (MADS/RDF only) 19 May 2016 165174 (kb) nt
LC Subject Headings (SKOS/RDF only) 19 May 2016 37526 (kb) nt
LC Subject Headings (MADS/RDF only) 19 May 2016 178282 (kb) rdfxml
LC Subject Headings (SKOS/RDF only) 19 May 2016 40929 (kb) rdfxml
MARC Countries 6 Sep 2017 1751 (kb) nt
MARC Countries 6 Sep 2017 1951 (kb) rdf
MARC Countries 6 Sep 2017 518 (kb) ttl
AFS Ethnographic Thesaurus 27 Oct 2014 2696 (kb) nt
AFS Ethnographic Thesaurus 27 Oct 2014 2900 (kb) rdfxml
AFS Ethnographic Thesaurus 27 Oct 2014 1106 (kb) ttl
MARC Geographic Areas 6 Sep 2017 1406 (kb) nt
MARC Geographic Areas 6 Sep 2017 1527 (kb) rdf
MARC Geographic Areas 6 Sep 2017 320 (kb) ttl
Thesaurus for Graphic Materials 6 Sep 2017 26281 (kb) nt
Thesaurus for Graphic Materials 6 Sep 2017 27836 (kb) rdf
Thesaurus for Graphic Materials 6 Sep 2017 7626 (kb) 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
MARC Languages 7 Sep 2017 17444 (kb) nt
MARC Languages 7 Sep 2017 18507 (kb) rdf
MARC Languages 7 Sep 2017 4175 (kb) ttl
Cultural Heritage Organizations 7 Sep 2017 7139 (kb) nt
Cultural Heritage Organizations 7 Sep 2017 7443 (kb) rdf
Cultural Heritage Organizations 7 Sep 2017 2054 (kb) 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