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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... -
Linked EDGAR (OntologyCentral)
Wrapper for SEC Edgar data, (which are the legal submissions, usually by publicly floated companies, to the Securities and Exchanges Commission, USA). Currently providing XBRL... -
Library of Congress Subject Headings
LCSH has been actively maintained since 1898 to catalog materials held at the Library of Congress. By virtue of cooperative cataloging other libraries around the United States...