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Polythematic Structured Subject Heading System
Polythematic Structured Subject Headings System (PSH) is a bilingual (Czech/English) structured subject heading system. -
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... -
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... -
University of Sussex Reading Lists
To find and access your readings: Search using the course title or course code Follow the links through to a reading list provided for your course Click on individual items to... -
National Agricultural Library Thesaurus
The NAL Thesaurus is an online vocabulary tool of agricultural terms in English and Spanish and is cooperatively produced by the National Agricultural Library, USDA and the... -
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... -
Hungarian National Library (NSZL) catalog
OPAC and Digital Library and the corresponding authority data as Linked Open Data. The used vocabularies are * RDFDC for bibliographic data, * FOAF for name authority entries,...