A letter from Harris, Secretary of the Art House, Inc., to Mrs. Boynton, discussing the research he has done regarding a "portrait of the little patroon," which he attributes to Pieter Vanderlyn.
Charles Xavier Harris. Charles X. Harris letter to Mrs. Theodore V. Boynton, 1923 Mar. 6. Albert Duveen collection of artists' letters and ephemera, 1807-1946. Archives of American Art, Smithsonian Institution.
Current copyright status is undetermined
Donated 1959 by Albert Duveen.
Archives of American Art, Smithsonian Institution Washington, D.C. 20560