Scope and Contents Two pamphlets: "Strictures on Mr. Pattison's Reply to Certain Oral and Written Criticisms" by W. Gibson, M.D. (1820) and Pattison's answer to it (1820) ; a Discourse Delivered on Commencing the Lectures in Jefferson Medical College (1832); Professors Pattison and Revere's Introductory Lectures (1833); a lecture entitled "Has the Parotid Gland Ever Been Extirpated ?" (1833); and an introductory lecture (1838).