1Reuben Haines to Thomas Jefferson, 24 February 1818 (Jefferson Papers)
At a meeting of the Academy of Natural Sciences of Philadelphia , held on the 27 th ultimo Thomas...
2Academy of Natural Sciences of Philadelphia: TJ’s membership certificate, 1 Jan. 1823, 1 January 1823 (Jefferson Papers)
The ACADEMY of Natural Sciences OF PHILADELPHIA HAVE ELECTED Thomas Jefferson a Correspondent of...