ARTstor
A digital library of nearly one million images in the areas of art, architecture, the humanities, and social sciences with a set of tools to view, present, and manage images for research and pedagogical purposes.

Oxford Art Online
An innovative new gateway that offers users the ability to access and search the vast content of Grove Art Online and Oxford art reference in one location.

Visual Collections
Site from Cartography Associates contains dozens of digital image collections from Museums, Universities and private collections throughout the world.