APS offices and the Library will be closed until further notice. On-site events are suspended, but read more about virtual programming and resources that can be accessed remotely. Read more about the APS response to COVID-19.

Blog

Explore to learn more about what's going on at the APS.
Susan Kozel
When I visited the American Philosophical Society (APS) Library in mid-August 2019, I was on a mining expedition for documents that would help me determine...
Erin Holmes
Top image: Surveyor's Instruments, c. 1765 APS. This post is part two in Erin Holmes's series "A Few Technical Items: Questions about 18th Century Surveying...
Erin Holmes
As an interdisciplinary scholar, I am a historian of a lot of things. I am a historian of Early America, slavery, social, cultural, and political...
Bayard Miller
The Center for Digital Scholarship (CDS) is excited to announce the launch of Franklin’s Philadelphia Post Office Ledgers: A Glimpse Into Colonial Correspondence Networks. This...
Susan Laquer
My first collection to process at the American Philosophical Society is the Hampton L. Carson Papers. A pioneering geneticist and evolutionary biologist, Carson worked with...
Brian Carpenter
The APS Library & Museum’s Center for Native American and Indigenous Research (CNAIR) is very glad to announce the completion of a substantial new resource...
American Philosophical Society
By David Dunning, PhD Candidate, Princeton University 2019-2020 Leon and Joanne V.C. Knopoff Fellow During his one-month residential research fellowship held during June 2019, Dunning...
American Philosophical Society
APS offices, the Library reading room, and the Museum gallery will be closed on select dates in November and December 2019. November Holiday Hours APS...