ARTstor is an image database filled with high-quality digital images of works in museums around the work.
Grove Art Online is a great place to learn background information about a person, medium, movement, or other art-related topics. It is one of the most important and up-to-date encyclopedias of art.
Art Full Text is a database of the scholarly, popular, and trade literature on art as well as information from museums. You can access articles from journals like African Arts, American Art, Art Education, and October.