APS Library

American Philosophical Society
We have a great group of 11 Summer Interns working on various projects at the APS over the next several weeks. Read below to learn...
Estelle Markel-Joyet
Laura Chilton is the David Center for the American Revolution Project Cataloguer. Over the next two years, she will be cataloging not only David Library...
Sylvan Goldberg
In a letter written in the 1920s to Rockefeller Institute director Rufus Ivory Cole, Joseph Leidy—nephew of the famed Philadelphian with whom he shared a...
Melanie Rinehart
The Long Expedition set out from the Allegheny Arsenal in Pittsburgh on May 3, 1819, with goals to both exert American control of western territories...
American Philosophical Society
Philadelphia, PA, [May 27, 2022] – Thanks to a generous donation by Graham Arader and Lori Cohen, five rare botanical watercolors, valued at $1.75 million...
Marian Christ
In 2013, Ellen Lehman, a generous donor to the Library who has given us many works on the Arctic and its peoples, gave us Two...
Rebecca Jackson
Header Image: Presbyterian Hospital Surgical Alumni (1955). Apgar is fifth from left, in a white coat. Courtesy of Mount Holyoke College and National Library of...
Susan Anderson
Before I joined the Manuscripts Processing team at the American Philosophical Society’s Library & Museum in 2019, I was lucky to gain insight into the...