Artchive
This site provides brief biographies and images for over 200 artists. The Galleries sections links to current online exhibitions. A section on Theory and Criticism provides analysis for some works.
[http://www.artchive.com/]

Art Cyclopedia
Provides links to over 1800 art-related sites (covering architecture, decorative art, digital art, folk art, installation art, naïve art, outsider art, painting, photography, sculpture, video art, and web-based art), and also provides over 60,000 links to an estimated 150,000 artworks by 8,100 renowned artists.
[http://www.artcyclopedia.com/]

BUBL: Humanities Links
This mega annotated linking site provides access to major humanities-related WWW resources.
[http://bubl.ac.uk/link/h/humanitieslinks.htm]

Metropolitan Museum of Art
Offers over 3500 items in the online collection. The Met also offers: Timeline of Art History; Special Topics Index; Subject Index; Artist Index; and, Additional Print and Online Resources.
[http://www.metmuseum.org/home.asp]

National Gallery of Art
Among the many resources provided by the National Gallery of art is the Online Tour. Online Tours can be selected by school, artist, work or themes. The Online Tour can provide in-depth information on the artist and the work.
[http://www.nga.gov/]

Voice of the Shuttle
Another mega site that provides annotated links to WWW resources covering all aspects of the study of the humanities.
[http://vos.ucsb.edu/]