From the Malacology collection, one of the largest in the world.
Wednesday, April 25, 2012, 11:30 pm EDT
Academy of Natural Sciences
Wednesday, April 25, 2012, 4:00 pm EDT
Tuesday, April 24, 2012, 5:00 pm EDT
Chemical Heritage Foundation, Brown Bag Lecture
Tuesday, April 24, 2012, 1:00 am EDT
Louis Clark Vanuxem Lecture, Princeton University
Monday, April 23, 2012, 8:30 pm EDT
Department of History and Sociology of Science, University of Pennsylvania
Sunday, April 22, 2012, 6:00 pm EDT
Philadelphia Area Center for History of Science, Wagner Free Institute of Science, Philadelphia Science Festival, Chemical Heritage Foundation, Temple University Libraries
Saturday, April 21, 2012, 2:00 am EDT
Department of History and Sociology of Science, University of Pennsylvania, Philadelphia Area Center for History of Science
Thursday, April 19, 2012, 11:30 pm EDT
Hagley Library Research Seminar Series
Thursday, April 19, 2012, 11:00 pm EDT
Philadelphia Area Seminar on the History of Mathematics, Villanova University
Wednesday, April 18, 2012, 2:00 pm EDT
Pennsylvania Hospital
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