Art History Resources  
Chris Witcombe, Professor of Art History at Sweet Briar College, has compiled online information for prehistoric art to post-modernism.

Artcyclopedia 
Searchable database of thousands of artists, artworks and art museums on the web.  Search results point to websites that feature your selection.

ArtLex:
Visual arts dictionary of art terms.

AskArt.com
(Artists' Bluebook) Information on over 28,000 American artists.

Cleveland Museum of Art  

Images Online

Los Angeles County Museum 

Metropolitan Museum of Art  
3,5000 works of art online and a timeline of art history 20,000BC to 1400.

National Gallery of Art    

Perseus Project (Tufts University) Greek and Classical resources.

Web Gallery of Art  
A virtual museum and searchable database of over 11,000 reproductions of European art of the Goth Renaissance and Baroque periods.