ARTstor has announced the following:

Collection agreement: Images from the National Gallery of Art
ARTstor is collaborating with the National Gallery of Art in Washington, DC, to share more than 600 images of European paintings, sculpture, and decorative arts from the Samuel H. Kress Collection.

Now available in ARTstor: Renaissance and Baroque book illustrations from the Warburg Institute
Approximately 1,200 images from the Warburg Institute are now available in the ARTstor Digital Library. This first release includes images of European book illustrations from the 16th through 18th centuries.

Bryn Mawr College Plans of Ancient and Medieval Buildings and Archaeological Sites Collection now in ARTstor
More than 2,700 images of Ancient Near East archaeological sites and monuments from Bryn Mawr College are now available in the Digital Library.