APS buildings are open to staff and invited visitors. The Library is under renovation until early 2022. Virtual programs are ongoing and some in person events are resuming. Read more about the APS's COVID response and operating procedures.

APS Library

Susan Laquer
As an archivist, I’ve worked with a variety of institutional archives, ranging from a hospital, to a museum, and now the American Philosophical Society (APS)...
Alexandra Rospond
Weather affects our everyday lives. We look it up before we go outside, to work, or to school. Today, we can check weather forecasts on...
Renée Wolcott
Once I had solved the problem of resewing John Blair’s Chronology and History of the World from Creation to the Year of Christ, 1788, which...
D. O. McCullough
The American Philosophical Society’s Library & Museum exhibition, Dr. Franklin, Citizen Scientist, explores the obstacles and opportunities people without formal training can face when trying...
Andrew Seaton
After the Second World War, countries all over the world – old and new – sought to extend the benefits of modern medicine to a...
Michael Madeja
Did you read that title more than once? If you did, there is no pirate-like mischief about it! A boat is docked in the Society’s...
Tracey deJong
Grace Hopper (1906-1992) was a pioneer in coding, and an innovative system builder who concentrated on building compilers and generators—the tools that later supported the...
Joseph DiLullo
The sketchbooks of Sir Julian Sorell Huxley (1887-1975) are digitized in their entirety and available to view in the APS digital library. Huxley was a...