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LinkedLCCN
A wrapper for the Library of Congress' LCCN Permalink service which models the MARCXML output as linked data in RDF. -
MARC Codes List
Currently provides the MARC codes (http://www.loc.gov/standards/valuelist/) for languages, geographic areas, countries and forms of musical composition. -
Chronicling America
Chronicling America provides access to information about historic newspapers and select digitized newspaper pages. 140,000 newspapers, 3.2 million pages. Issues The statistics...