The Art & Architecture Thesaurus Browser http://www.getty.edu/research/conducting_research/vocabularies/aat/index.html
Comprehensive vocabulary of nearly 120,000 terms in art, architecture and related
The Art History Research Centre http://www.harmsen.net/ahrc/
Provides access to a large number and wide variety of links
ArtsConnectEd - http://www.artsconnected.org Created by the Minneapolis Institute of Arts (MIA) and the Walker Art Center, ArtsConnectEd provides 100,000 free resources, including works of art, audio, video, texts, and an assortment of interactive tools.Great for teachers!
The Lourve's official website
Museum of Modern Art; New York http://www.moma.org/
Check out the online collection, or snapshots of permanent holdings.
The National Museum of American Art http://americanart.si.edu/index3.cfm
Includes images and explanatory text relating to more than 500 art works.
Vatican City Museum and Virtual Exhibits http://mv.vatican.va/3_EN/pages/MV_Home.html
Many virtual tours, including the Sistine Chapel
Dr. Christopher L.C.E. Witcombe's Art Links http://witcombe.sbc.edu/ARTHLinks.html
Great resource for images; numerous links to other useful websites; organized according to period and culture/civilization
Excellent online art dictionary--complete with photos
American Museum of Photography http://www.photographymuseum.com/
Virtual museum dedicated to educating, informing, and sharing photographs. Site includes over 5,000 images from daguerreotype portraits to Ansel Adams.
David Rumsey Visual Collections http://www.davidrumsey.com/collections/viewall_size_off.html
Free access to over 300,000 images from 30 collections.
National Museum of Women in the Arts http://www.nmwa.org/
Women artists and their works--searchable by nationality/date/title/medium, etc.; over 250 images available for online viewing
Judy Chicago "Through the Flower" http://www.judychicago.com/
Primarily for promoting Judy Chicago's work, but has other useful information and links
The Vincent van Gogh Information Gallery http://www.vangoghgallery.com/
Comprehensive van Gogh on the Internet