To James Madison from Caspar Wistar, Jr., 15 October 1801
¶ From Caspar Wistar, Jr.
Letter not found. 15 October 1801. Calendared as a three-page letter in the lists probably made by Peter Force (DLC, series 7, container 2). Wistar, professor of chemistry at the University of Pennsylvania, was a vice president of the American Philosophical Society at the time.