With a collection of over 1.8 million images, including 25,000 contributed by MassArt to support our own cirriculum, the ARTstor Digital Library is an excellent resource for sourcing high quality images across many disciplines. ArtStor does require users to create an account to download images. The videos below demonstrate how to register for an account and how to access ARTstor from off campus.
ArtStor has some very helpful guides to its collection arranged by discipline. Artstor Across Disciplines