ARTstor is a large and ever growing database of images. You can search for images by keyword or artists or browse the collections by theme, location, or owning institution.
Use the Library Catalog to find materials by a particular artist. In the quick search mode, enter the artists last name and select Subject Heading from the pull-down menu. From list of results look for items that include subheadings for Catalogs or Exhbibitions.