11Francis Coffyn to the American Commissioners, 19 June 1778: résumé (Franklin Papers)
ALS : American Philosophical Society <Dunkirk, June 19, 1778: A brig that arrived last night...
12Francis Coffyn to the American Commissioners, 27 January 1778 (Franklin Papers)
ALS : American Philosophical Society The letter I had the honnor of writing to you the 20th....