Use the Art Research Guide to locate books and articles on art-related subjects.
To find images of art:
JSTOR- The JSTOR databasefeatures an unparalleled range of images from some of the world's leading museums, photo archives, scholars, and artists in one easily-navigated repository. It is the most comprehensive image resource available for educational and scholarly use, with many rare and important collections available nowhere else. JSTOR now includes the contents of the database previously known as Artstor.