Scope and Contents The collection contains four letters to Joseph Carson from the publishing firm of Lindsay Blakiston concerning the production and sale of Carson's A history of the Medical Department of the University of Pennsylvania. The collection also includes a letter containing resolutions made by the Board of Trustees of the University of Pennsylvania on the resignation of Joseph Carson in 1876. 1. Lindsay Blakiston. Letter : Philadelphia, Pa., to Joseph Carson, [Philadelphia, Pa.], 1868 Sept....