NARA Archival Research Catalog

Compressed versions of the NARA ARC data set (20GB uncompressed, 565MB bzipped).

Tyler Hansborough Special Edition  with  character encoding problems fixed.

SKOS triples to add parents to orphaned inverted headings, if unmodified parent node already exists


MarcXML authority Files

Authority files from December 2006

Bibliographic data

Library of Congress Bibliographic Records (courtesy of Cassey Bisson and the Mellon Foundation)

Superclass chains

Superclass chains for LCSH Topical Headings (27MB compressed, but be careful – uncompresses to about 1GB)

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