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APS Library

Julie Fisher
In July of 2020 with support from an NEH CARES Grant, I began the work of transcribing the early meeting minutes of the American Philosophical...
Valerie-Anne Lutz
Few people, even among APS staff, know about Laura E. Hanson, Librarian of the American Philosophical Society from 1926 to 1941. Hanson was not only...
Jeffery Appelhans
“I cannot live without books,” Jefferson wrote his unlikely friend John Adams (APS 1780). Jefferson was thanking Adams for introducing him to George Ticknor and...
Tracey deJong
Meet Atta cephalotes, also known as a fungus culturing ant. You can find many images of her family of leaf cutters and fungus garden builders...
Marian Christ
The Library of the American Philosophical Society acquired, in 1975, Mechanism of the Heavens, a translation by Mary Somerville of Pierre-Simon Laplace’s Traité de mécanique...
Jillian Curran
In historical research, silences in the archive are practically guaranteed. A historical document may not provide the researcher with the evidence she or he hoped...
Elizabeth Lilly
At the time of the Revolutionary War, political allegiance became one of the most important points of identification for a colonist: would one stay loyal...
Kyle Roberts
The Maryland Loyalism Project is a new digital archive and biographical database of women and men from the Maryland colony who remained loyal to Britain...