Scope and Contents The collection consists of materials by or about Joseph Pancoast, MD, and his family from 1835-1883. The type of materials include addresses (1835-1872) such as introductory lectures to Jefferson students and commencement addresses (1855 and 1865), medical journal articles (1872), and correspondence (1869) concerning the vacancy of PancoastΓÇÖs chair due to ill health.