Art Libraries Society of North America includes information on the organization, its structure, leadership, and publications, as well as its annual conference program and past conference proceedings.
The Archives of American Art provides two very helpful databases: the Art Inventories, to find the location and owners of paintings by American artists, and their catalog of finding aids, which supplements the full catalog to the Smithsonian's archival repositories.
Arts and Crafts Movement, an introduction to the better known designers and their work from this important period in architecture and the decorative arts.