ARLIS
The Art Libraries Society of North America provides resources and services for the worldwide arts information community.
http://www.arlisna.org/

AAM
American Association of Museums
http://www.aam-us.org/

CAA
College Art Association
http://www.collegeart.org

Christie's
http://www.christies.com/

Sotheby's
http://www.sothebys.com/

Swann Galleries
http://www.swanngalleries.com/

CHIN (Canadian Heritage Information Network)
http://www.chin.gc.ca/

Getty Research Institute
http://opac.pub.getty.edu/

Mother of all Art and Art History Links
http://www.umich.edu/~hartspc/histart/mother/

ArtServe
A unified arts and cultural organization which serves, supports and advocates for an enriched cultural environment and promotes the arts as a valuable state and community resource.
http://www.artservemichigan.org/

New York Foundation for the Arts
A National online network for artists and arts organizations.
http://www.nyfa.org/

Open Studio
The only national initiative that funds organizations to train the arts community to use the World Wide Web for gathering resources, sharing information and building new audiences.
http://www.benton.org/openstudio/home.html

Americans for the Arts
http://www.artsusa.org/

Art History Resources on the Web
http://witcombe.sbc.edu/ARTHLinks.html

World Wide Art Resources
http://www.wwar.com/

Art In Context
A free public access searchable database of artists, galleries, museums, and dealers from around the world.
http://www.artincontext.org/

AskART
An extensive searchable database of over 32,000 American artists. Please note: some information available by membership subscription only.
http://www.askart.com/

artnet
Allows users to search artists, artworks, galleries, exhibitions and magazine articles. The price database is by subscription only.
http://www.artnet.com/

Artcyclopedia
Free database of over 8,000 artists included in museum collections on web sites and image archives worldwide.
http://www.artcyclopedia.com/