1From Benjamin Franklin to Jacques Barbeu-Dubourg, 30 August 1769 (Franklin Papers)
Extract printed from Jacques Barbeu-Dubourg, ed., Œuvres de M. Franklin … (Paris, 1773), p. 314....
2From Benjamin Franklin to Jacques Barbeu-Dubourg, 22 September 1769 (Franklin Papers)
ALS (draft): American Philosophical Society With this you will receive some Sheets of the Piece...