The ARTstor Digital Library is used by educators, scholars, and students at a variety of institutions including universities, colleges, museums, public libraries, and K-12 schools. The Digital Library serves users both within the arts and in disciplines outside of the arts. This includes historians of art and architecture and others engaged in the visual arts, as well as individuals in fields as diverse as American Studies, Anthropology, Asian Studies, Classical Studies, Literary Studies, Medieval Studies, Music, Religious Studies, and Renaissance Studies, all of whom find the images in ARTstor to be relevant to their teaching and research.
You can find images by searching or browsing. Other ideas and news can be found on the ARTstor blog. ARTstor also has some help for Teaching with ARTstor
ARTstor images are discoverable using Summon, however to have them appear you must first disable pop-up blockers for *.artstor.org and *.artstor.net . After disabling pop-ups run a normal search and check the Content types which might appear in ARTstor, such as paintings, photographs, maps etc.
The ARTStor channel has videos explaining the history and ARTStor, its mission and includes practical how-to videos on searching, downloading and organizing images, exporting to PowerPoint etc.