APS Library

Earle Spamer
“Climate change” is a touchy subject these days. But in order to have arguments in the first place, some baseline information about past climate has...
Marian Christ
One of the truly rare and intriguing items in the APS Library collections is a star atlas compiled by John Bevis , a physician (1683-1771)...
Madalina Veres
On September 17, 1847, the Members of the American Philosophical Society concluded their meeting by gathering in the Librarian’s room to examine a singing mouse....
American Philosophical Society
We are pleased to announce that the American Philosophical Society Library is now part of the Digital Public Library of America (DPLA) . To date,...
Madalina Veres
On May 1, 1803, the members of the American Philosophical Society sent Librarian John Vaughan to Baltimore, in order to retrieve boxes of minerals bequeathed...
Brian Carpenter
The APS Library and its Center for Native American and Indigenous Research (CNAIR) are pleased to announce the completion of a new Guide to the...
Joseph DiLullo
Image above: Survey Map plotting the position of the John Long House on the New Jersey side of the Delaware River from Philadelphia, Timothy Horsfield...
Ann Reinhardt
The Francis John Worsley Roughton Papers and the Britton Chance Papers will be forever linked as professor and student for their innovative development of the...