FirstSearch
Subscription database that includes book and article indexes and a wealth of information on a wide variety of topics.
Available to museum staff.
http://firstsearch.oclc.org

Dictionary of Art
The most comprehensive online reference resource for all aspects of the visual arts worldwide from prehistory to the 1990s.
Available to museum staff.
http://www.groveart.com/

Art Fact
Comprehensive Auction results database.
Available to museum staff.
http://www.artfact.com/

CAMIO (Catalog of Art Museum Images Online)
Online collection of images from prominent museums worldwide.
Available to museum staff.
http://camio.oclc.org/