11To 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...
12To Benjamin Franklin from Francis Coffyn, 16 April 1784 (Franklin Papers)
ALS : American Philosophical Society I had the honnor to address your Excellency on the 6th....
13Francis 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....
14To 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...
15Francis 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...
16To John Adams from Francis Coffyn, 2 October 1781 (Adams Papers)
The bearer Thomas Beer has been obliged to flee from England on account of his having assisted...
17To Benjamin Franklin from Francis Coffyn, 29 December 1781 (Franklin Papers)
ALS : American Philosophical Society I had the honour to remit your Excellency per my letter of...
18Francis Coffyn to the Commissioners, 19 June 1778 (Adams Papers)
I had the honnor of writing to you yesterday referring to my letter of 8 instant which I beg...
19To Benjamin Franklin from Francis Coffyn, 8 January 1782 (Franklin Papers)
ALS : American Philosophical Society I beg leave to refer to my last letter of 29. ultmo....
20To Benjamin Franklin from Francis Coffyn, 5 October 1781 (Franklin Papers)
ALS : American Philosophical Society J’ai l’honneur d’addresser la presente a votre Excellence...