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COLLECTIONS All collections are included in a search. To limit your search to specific instituions, check the appropriate boxes below.
American Institute of Physics American Philosophical Society California Institute of Technology Cold Spring Harbor Laboratory College of Physicians of Philadelphia Columbia University Drexel University Hagley Library Johns Hopkins University Library Huntington Library Library Company Linda Hall Library Newberry Library NY Academy of Medicine The Rockefeller Archive Center Science History Institute Smithsonian Institution University of Oklahoma University of Pennsylvania Wagner Free Institute of Science Wellcome Collection Yale University