Olga's Gallery- Online Art Museum with digital images for educational use.
The Public Domain Review - Curated image collections, for download, with links to original sources. Check copyright restrictions.
TinEye - Reverse image search engine - upload images and find where they appear online. Useful for tracing image sources.
VADS (Visual Arts Data Service) - digital image collections for higher education, and guides to creating them. Includes Design Council Archive images and Royal College of Art students work
New Exhibitions of Contemporary Art - online version of the monthly NECA guide - a listing of contemporary art galleries in London, the Regions, Channel Islands, Ireland, Scotland and Wales -with the exhibitions and artists currently on show. An easy way to find the web site and e-mail for London galleries
artupdate.com - lists openings of forthcoming exhibitions, international
artnet.com - commercial, contemporary artists - site listing commercially successful contemporary artists and galleries. Founded in 1989 by a group of art dealers, and designed to be used to 'research, browse, bid and buy art'
Culture 24 - formerly 24 Hour Museum, a UK government gateway site to museums and galleries
Art galleries and museums online databases
Art UK - digital images of paintings from publicly owned collections in the UK