1To Benjamin Franklin from Charles-Etienne Gaucher, [before 3 June 1782] (Franklin Papers)
Printed invitation, signed, with MS insertions: American Philosophical Society L∴ R∴ L∴ des Neuf...
Printed invitation, signed, with MS insertions: American Philosophical Society L∴ R∴ L∴ des Neuf...
3To Benjamin Franklin from Charles-Etienne Gaucher, [before 26 May 1783] (Franklin Papers)
Printed invitation with MS insertions: American Philosophical Society T∴ C∴ F∴ L∴ R∴ L∴ des Neuf...