Scholarly search services

search engine for books by Google

academic search service by Google

Europeana is a web portal created by the European Union containing digitised cultural heritage collections of more than 3,000 institutions across Europe. It includes records of over 50 million cultural and scientific artefacts, brought together on a single platform and presented in a variety of ways relevant to modern users. The prototype for Europeana was the European Digital Library Network (EDLnet), launched in 2008.

search service for journal articles

thumb|120px|The Entrez logo The Entrez () Global Query Cross-Database Search System is a federated search engine, or web portal that allows users to search many discrete health sciences databases at the National Center for Biotechnology Information (NCBI) website. The NCBI is a part of the National Library of Medicine (NLM), which is itself a department of the National Institutes of Health (NIH), which in turn is a part of the United States Department of Health and Human Services. The name "Entrez" (a greeting meaning "Come in" in French) was chosen to reflect the spirit of welcoming the publi

CiteSeerX (often stylized as CiteSeer; formerly called CiteSeer) was a public search engine and digital library for scientific and academic papers, primarily in the fields of computer and information science.

former online bibliographic database, developed by Microsoft Research, shut down in 2022

Culture.pl is a large Polish multilingual project and web portal devoted to Polish culture. It was founded by the Adam Mickiewicz Institute in March 2001. The project promotes the work of Polish artists around the world and is a popular information database on all artistic aspects of Polish culture. Originally available in Polish, English and Russian, it is now also available in Ukrainian, Korean, Japanese and Chinese.

Artcyclopedia is an online database of museum-quality fine art founded by Canadian John Malyon.

Scirus was a comprehensive science-specific search engine, first launched in 2001. Like CiteSeerX and Google Scholar, it was focused on scientific information. Unlike CiteSeerX, Scirus was not only for computer sciences and IT and not all of the results included full text. It also sent its scientific search results to Scopus, an abstract and citation database covering scientific research output globally. Scirus was owned and operated by Elsevier. In 2013 an announcement appeared, on the Scirus homepage, announcing the site's retirement in 2014:

200px|right Delpher is a website providing full-text Dutch-language digitized historical newspapers, books, journals and copy sheets for radio news broadcasts. The material is provided by libraries, museums and other heritage institutions and is developed and managed by the Royal Library of the Netherlands. Delpher is freely available and includes as of June 2022 in total over 130 million pages from about 2 million newspapers, 900,000 books and 12 million journal pages that date back to the 15th century.

Wikimedia list article

academic search engine

former academic search engine

library

web search engine for scholarly literature

CNKI (China National Knowledge Infrastructure; ) is a private-owned publishing company in China since 2014. It operates databases of academic journals, conference proceedings, newspapers, reference works, and patent documents.

MathSciNet is a searchable online bibliographic database created by the American Mathematical Society in 1996. It contains all of the contents of the journal Mathematical Reviews (MR) since 1940 along with an extensive author database, links to other MR entries, citations, full journal entries, and links to original articles. It contains almost 3.6 million items and over 2.3 million links to original articles.

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