Here you can find some of McMaster's image databases.
Online access to approximately 400,000 digital images of visual material from different cultures and disciplines which document artistic and historical traditions across many time periods and cultures, focused on but not limited to the arts.
Oxford Art Online / Grove Dictionary of Art
Grove Art Online contains 45,000 articles on every aspect of the visual arts with ongoing additions of new and updated articles, over 3,000 thumbnail art images and line drawings displayed in the text of articles, extensive image links, and sophisticated search and navigation tools.
This a list of publicly accessible digital collections from some Canadian universities.