The collection currently contains over three million images, including the following collections:

The Art History Survey Collection
The Carnegie Arts of the United States Collection
The Hartill Archive of Architecture and Allied Arts
The Huntington Archive of Asian Art
The Illustrated Bartsch (Old Master European prints from the 15th to the 19th centuries)
The Mellon International Dunhuang Archive (images of wall paintings and sculpture from Buddhist cave shrines in Dunhuang , China )
The MoMA Architecture and Design Collection
Native American Art and Culture from the National Anthropological Archives, Smithsonian Institution

ARTstor provides curated collections of art images and associated data for noncommercial and scholarly, non-profit educational use. ARTstor's definition of art is encompassing. It includes architecture, painting, photography, prints, drawings, sculpture, decorative arts and design, as well as archeological and anthropological objects. ARTstor also provides software tools to enable active use of the images. The tools support a wide range of uses including analyzing images, saving groups of images online, and creating and delivering presentations both online and offline.
Coverage: Prehistory to the present

Oxford Art Online contains the full text of the 34-volume The Dictionary of Art with over 45,000 articles compiled over a period of 15 years. Includes more than 20,000 artists biographies and thousands of images of painting, sculpture, graphic arts, architecture, photography and the decorative arts. Also includes the Oxford Companion to Western Art, the Encyclopedia of Aesthetics, and the Concise Oxford Dictionary of Art Terms.

Covers every aspect of the visual arts - painting, sculpture, graphic arts, architecture, decorative arts and photography - from prehistory to the present day.

Alternate Name: Grove Dictionary of Art
Coverage: Prehistory-present