1. Mrs. Hartly [graphic] Creator: Houston, Richard, 1721?-1775, printmaker Published / Created: as the act directs, 7 Novr. 1774. Call Number: Folio 75 P839 800 v. 2 (Oversize) Collection Title: Portraits of ladies in mezzotint. Image Count: 1 Resource Type: still image Found in: Lewis Walpole Library > Mrs. Hartly [graphic]