Lansing, D I William Darlington, M.D. 1782-1863. [electronic resource] - Transactions & studies of the College of Physicians of Philadelphia Mar 1983 - 29-41 p. digital Publication Type: Biography; Historical Article; Journal Article ISSN: 0010-1087 Subjects--Topical Terms: Botany--historyHistory, 19th CenturyPennsylvania