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VIAF: The Virtual International Authority File
VIAF (Virtual International Autority File) is an OCLC dataset and service -- built in cooperation with national libraries and other partners -- that virtually combines multiple... -
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... -
Open Library
About One web page for every book ever published. It's a lofty, but achievable, goal. To build it, we need hundreds of millions of book records, a brand new database...
