1To Benjamin Franklin from Francis Coffyn, 3 October 1779 (Franklin Papers)
ALS : American Philosophical Society I received the honour of your Excellency’s letter of 28....
2To Benjamin Franklin from Francis Coffyn, 28 December 1780 (Franklin Papers)
ALS : American Philosophical Society I take the liberty for your Excellencys information to annex...
3To Benjamin Franklin from Francis Coffyn, 21 April 1782 (Franklin Papers)
ALS : American Philosophical Society J’ai l’honneur de vous écrire la presente qui vous sera...
4To Benjamin Franklin from Francis Coffyn, 9 January 1783 (Franklin Papers)
ALS : American Philosophical Society J’ai l’honneur de vous ecrire la presente laquelle vous Sera...
5To Benjamin Franklin from Francis Coffyn, 18 September 1779 (Franklin Papers)
ALS : American Philosophical Society I duly received your Excellencys much respected favour of 8...
6To Benjamin Franklin from Francis Coffyn, 21 December 1779 (Franklin Papers)
ALS : American Philosophical Society I had the honour of writing to your Excellency on the 6...
7To Benjamin Franklin from Francis Coffyn, 11 April 1783 (Franklin Papers)
ALS : American Philosophical Society Since the letter I had the honnor to write your Excellency...
8Francis Coffyn to the American Commissioners, 7 July 1778: résumé (Franklin Papers)
ALS : American Philosophical Society <Dunkirk, July 7, 1778: I refer you to my letter of the 5th....
9To Benjamin Franklin from Francis Coffyn, 23 April 1782 (Franklin Papers)
ALS : American Philosophical Society J’ai l’honneur de vous ecrire la presente, laquelle vous...
10Francis Coffyn to the American Commissioners, 23 May 1778 (Franklin Papers)
ALS : Harvard University Library I take the liberty to enclose a Copy of the Memoire I made last...