American Society for Aesthetics
- a site designed to promote study, research, discussion, and publication in aesthetics (all studies of the arts and related types of experience from a philosophic, scientific, or other theoretical standpoint).
- Provides links to art images on the Web. The site is searchable by artist, work, and museum and browsable by subject, medium, or nationality.
Classical Art Research Center
- (The Beazley Archive, Oxford University)
- Offers a dictionary and a searchable database of thousands of images of artwork, pottery, sculpture, and gems and photographs of ancient sites.
Digital Archive of American Architecture
- 1,500 digitized images of American architecture from the 17th century to the present. See also the
Digital Archive of European Architecture.
Library of Congress Prints and Photographs Reading Room
- includes photographs, historical prints, posters, cartoons, documentary drawings, fine prints, and architectural and engineering designs.
New York Public Library Digital Gallery
- free and open access to over 800,000 images digitized from the The New York Public Library's vast collections, including illuminated manuscripts, historical maps, vintage posters, rare prints, photographs and more.
Web Gallery of Art
- a virtual museum and searchable database of European painting and sculpture of the Romanesque, Gothic, Renaissance, Baroque, Neoclassicism, Romanticism periods.