ARTstor To use the digital library of ARTstor, click "Enter Here" in the box that says "ARTstor Digital Library" in the upper right corner. Register or log in with your free ARTstor account (separate from the UH account) to use full functionality. ARTstor is a digital library of nearly one million images in the areas of art, architecture, the humanities, and social sciences with a set of tools to view, present, and manage images for research and pedagogical purposes.