Research site for information on antiques taken from auction houses - has many photographs and is updated constantly - need library a card to access.
Artcyclopedia.com: The Fine Arts General Encyclopedia
Provides biographical information on artists, plus searches by artists, art work, medium, museums and subject of work.
Extensive information about 30,000 American Artists.
Biographies Plus Illustrated
Includes Current Biography, Junior Authors & Illustrators, world authors, composers, songwriters, musicians, film directors, plus more than 65,000 profiles. Also, contains links to full text articles, book reviews plus more.
Kovel's Online Antique and Collector's Price Guide
Free registration is required to obtain prices but you can search for items or browse the listings for free.
Timeline of Art History
Site sponsored by the Metropolitan Museum of Art.