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Europeana Linked Open Data V1.0
data.europeana.eu started as an experimental pilot in February 2012 with a small number of data providers who committed at an early stage to Europeana's initiative of promoting... -
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... -
CrossRef DOI Resolver
Digital Object Idenfiers (DOI) are a persistent identifier strategy used by around 3,000 publishers to identify their documents: mostly scholarly publications. An example of a...