Scope and Contents The collection consists of materials by or about Samuel D. Gross, MD or his family members from 1856-1934. Types of materials within the collection include addresses (1856-1882) to Jefferson Medical College and the American Surgical Association, correspondence (1861, 1876-1883, 1934 - with gaps), medical journal articles (1857-1884), lecture notes (some believed to be the work of Samuel W. Gross); and one scrapbook containing obituaries and sympathy letters

Scope and Contents The collection consists of materials relating to William W. Keen including addresses, correspondence, published medical journal articles by Keen, and research notes pertaining to his operations and research on the cervical rib. The addresses cover medical topics or the history of medicine and were presented at meetings of various medical organizations including the American Medical Association, the College of Physicians of Philadelphia, and two Jefferson commencements, 1910 and 1916. The bulk...