Subject portals - Search engines and topical catalogs

Artnet
Rich service about art. It contains, inter alia, indices of artists, search engine that indexes web pages about art, information about exhibitions, gallery indices and many more.

Biographic database from Jagiellonian Library (Polish version only)
Database includes lists of biographic and bibliographic materials about Poles, also ones that are not very famous, that lived in 20. and 21. centuries. Mainly are registered persons born after 70s of the 20. century (presently deceased and alive), as well as many born earlier – ones, that have printed biographical data, necrology or subjective or objective bibliography.

Ingenta
Allows access to full-texts from periodicals subscribed by user as well as allows to buy articles from over 26.000 publications.

International Nuclear Information System (INIS)
Database consisting of world's literature (articles from periodicals, conference materials, books and others) about peaceful usage of atomic energy.

The Labyrinth
Web page from Georgetown University server. It allows access to information sources (databases, services, texts, iconographies) from medieval science. Archival website.

LookSmart FindArticles
Search engine for circa 5.5 million articles from over 900 periodicals in free access mode.

SciCentral
Provides access to databases and other internet sources from all fields of knowledge.

WorldWideScience.org
Global science gateway providing access to national and international scientific databases and portals. Among resources are international databases (e.g. DOAJ) and local ones – mostly periodicals’ services and catalogs of scientific publications. Databases and portals of partner institutions are displayed on map on main page of site.

ResearchGATE
International, free social service for scientists form all fields of knowledge. Users are managing their own lists of publications, that are taken from professional databases and also could use recommendation tool, that allows to recommend valuable publication to other users.


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