21Francis Hopkinson to the American Commissioners, 9 November 1778 (Franklin Papers)
Three ALS : American Philosophical Society I have to inform you that since my last of Sept 18th....
22Francis Hopkinson to the American Commissioner or Commissioners, 6 March 1780 (Franklin Papers)
Two ALS : American Philosophical Society Since my last of the 14th. of Jany. the following Setts...