ARTstor is a nonprofit digital library of more than one million images in the arts, architecture, humanities, and social sciences with a suite of software tools to view, present, and manage images for research and pedagogical purposes.
The Oxford Art Online is a comprehensive art reference collection that covers all the visual arts from prehistory to the 1990's. Through the Oxford Art Online gateway you can search the Grove Art Online encyclopedia, the Encyclopedia of Aesthetics, the Oxford Companion to Western Art, and the Concise Oxford Dictionary of Art Terms together or individually.