From the Malacology collection, one of the largest in the world.
Wednesday, September 21, 2011, 5:00 pm EDT
Barbara Bates Center for the Study of the History of Nursing, University of Pennsylvania
Thursday, September 15, 2011, 11:00 pm EDT
Philadelphia Area Seminar on the History of Mathematics, Villanova University
Wednesday, September 14, 2011, 11:30 pm EDT
The College of Physicians of Philadelphia Section on Medical History
Friday, September 9, 2011, 10:00 pm EDT
Chemical Heritage Foundation
Wednesday, June 8, 2011, 10:30 pm EDT
Pennsylvania Hospital
Tuesday, June 7, 2011, 5:00 pm EDT
Barbara Bates Center for the Study of the History of Nursing, University of Pennsylvania
Wednesday, May 25, 2011, 11:00 pm EDT
American Philosophical Society, Wyck Historic House and Garden
Wednesday, May 25, 2011, 9:00 pm EDT
Wagner Free Institute of Science
Wednesday, May 25, 2011, 4:00 pm EDT
Tuesday, May 24, 2011, 5:00 pm EDT
Chemical Heritage Foundation, Brown Bag Lecture
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