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 11 Aug 2011 350 (kb) nt
LC Children's Subject Headings 11 Aug 2011 147 (kb) rdfxml
LC Children's Subject Headings 11 Aug 2011 116 (kb) ttl
LC Genre/Form Terms 11 Aug 2011 493 (kb) nt
LC Genre/Form Terms 11 Aug 2011 279 (kb) rdfxml
LC Genre/Form Terms 11 Aug 2011 232 (kb) ttl
LC Name Authority File (MADS/RDF only) 27 Feb 2012 2732860 (kb) nt
LC Name Authority File (SKOS/RDF only) 1 Mar 2012 793870 (kb) nt
LC Name Authority File (MADS/RDF only) 27 Feb 2012 2916602 (kb) rdfxml
LC Name Authority File (SKOS/RDF only) 1 Mar 2012 853901 (kb) rdfxml
LC Subject Headings (MADS/RDF only) 27 Feb 2012 157721 (kb) nt
LC Subject Headings (SKOS/RDF only) 1 Mar 2012 37701 (kb) nt
LC Subject Headings (MADS/RDF only) 27 Feb 2012 170053 (kb) rdfxml
LC Subject Headings (SKOS/RDF only) 1 Mar 2012 41075 (kb) rdfxml
MARC Countries 9 Aug 2011 112 (kb) nt
MARC Countries 9 Aug 2011 55 (kb) rdfxml
MARC Countries 9 Aug 2011 43 (kb) ttl
Cryptographic Hash Functions 9 Aug 2011 7 (kb) nt
Cryptographic Hash Functions 9 Aug 2011 5 (kb) rdfxml
Cryptographic Hash Functions 9 Aug 2011 4 (kb) ttl
MARC Geographic Areas 9 Aug 2011 144 (kb) nt
MARC Geographic Areas 9 Aug 2011 72 (kb) rdfxml
MARC Geographic Areas 9 Aug 2011 52 (kb) ttl
Thesaurus for Graphic Materials 9 Aug 2011 4180 (kb) nt
Thesaurus for Graphic Materials 9 Aug 2011 2212 (kb) rdfxml
Thesaurus for Graphic Materials 9 Aug 2011 1599 (kb) ttl
ISO639-1 Languages 9 Aug 2011 63 (kb) nt
ISO639-1 Languages 9 Aug 2011 31 (kb) rdfxml
ISO639-1 Languages 9 Aug 2011 22 (kb) ttl
ISO639-2 Languages 9 Aug 2011 192 (kb) nt
ISO639-2 Languages 9 Aug 2011 94 (kb) rdfxml
ISO639-2 Languages 9 Aug 2011 67 (kb) ttl
ISO639-5 Languages 9 Aug 2011 119 (kb) nt
ISO639-5 Languages 9 Aug 2011 38 (kb) rdfxml
ISO639-5 Languages 9 Aug 2011 46 (kb) ttl
MARC Languages 9 Aug 2011 188 (kb) nt
MARC Languages 9 Aug 2011 84 (kb) rdfxml
MARC Languages 9 Aug 2011 69 (kb) ttl
Preservation Events 22 Mar 2012 4 (kb) nt
Preservation Events 22 Mar 2012 3 (kb) rdfxml
Preservation Events 22 Mar 2012 3 (kb) ttl
Preservation Level Role 9 Aug 2011 2 (kb) nt
Preservation Level Role 9 Aug 2011 2 (kb) rdfxml
Preservation Level Role 9 Aug 2011 2 (kb) ttl
MARC Relators 9 Aug 2011 51 (kb) nt
MARC Relators 9 Aug 2011 31 (kb) rdfxml
MARC Relators 9 Aug 2011 25 (kb) ttl