Records concerning the production, distribution, and sales of Washburn’s artwork. Includes extensive lists of his prints, arranged by series, with notes on how many were produced and how many were sold. Most of the prints are listed by name only, but this series does include descriptions he wrote of a few pieces. Also present are correspondence and lists of pieces that Washburn presented to various libraries, schools, and museums. There is also some material on exhibits of his work, including brochures and lists of prints to be shown. Also includes a contract with Washburn’s agent, Gerard de Vries, and a list of prints that were consigned with de Vries.