search.crossref.org
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eprint.iacr.org
Electronic archive of new results in the field of cryptography, maintained by the International Association for Cryptologic Research.
academicworks.cuny.edu
Digital repository hosting freely available information from various CUNY archives.
cybertruffle.org.uk
Database of mycological literature.
cylinders.library.ucsb.edu
Project to digitize phonograph cylinders.
biblio.cypruslibrary.gov.cy
Search publications, authors, citations and related academic metadata.
ceskadigitalniknihovna.cz
National aggregator of digital libraries.
Browse digitized texts, images, archives and cataloged cultural materials.
autority.nkp.cz
Authority Database of the National Library of the Czech Republic.
danrw.de
Service offering for the long-term archiving of cultural heritage.
daido.repo.nii.ac.jp
Digital library for searching books, documents, images and online collections.
daiichi-koudai.repo.nii.ac.jp
Digital library for searching books, documents, images and online collections.
daiichi-cps.repo.nii.ac.jp
Browse digitized texts, images, archives and cataloged cultural materials.
dams.antwerpen.be
Website for the collection of the museums and heritage institutions of the city of Antwerp.
series.marc21.cz
Database of book series published in Czech operated by Czech libraries.
knihovnici.wikibase.cloud
Wikibase instance regarding Czech librarians.
glossen.germ-ling.uni-bamberg.de
Repertory of manuscripts annotated in early medieval German vernaculars.
mk.gov.cz
Bibliographic database of the Ministry of Culture of the Czech Republic.
dblp.org
Computer science bibliography website hosted in Germany.
dbpia.co.kr
Distributor of eBooks and other digital media.
scriptiebank.be
Search an online collection of books, documents, media and archival records.
deaflibrary.org
Search publications, authors, citations and related academic metadata.
dcu.repo.nii.ac.jp
Search an online collection of books, documents, media and archival records.
depot.erudit.org
Browse digitized texts, images, archives and cataloged cultural materials.