University Hall with Snake Dance, Brown University. Postcard, ca. 1900-1920. Luna Collection.
Don't forget to also look for the artist's own website, which may have images of their work, contact information, curricula vitae, and bibliographies.
Artist unknown. The Greening of Benefit Street. 1982. Luna Collection.
Unknown artist. Waterman Street. Watercolor, ca. 1820. Luna Collection.