-
Sudoc bibliographic data
Source : Sudoc Sudoc is the French academic union catalogue, maintained by ABES Size : 10 millions bibliographic records Documentation Vocabularies : Dublin Core, FOAF, BIBO,... -
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...