11Francis Coffyn to the American Commissioners, 9 July 1778: résumé (Franklin Papers)
ALS : American Philosophical Society <Dunkirk, July 9, 1778: I refer you to my letter of...
12Francis Coffyn to the American Commissioners, 10 July 1778 (Franklin Papers)
ALS : American Philosophical Society In the letter I had the honor of writing to you yesterday by...
13To Benjamin Franklin from Francis Coffyn, 16 June 1779 (Franklin Papers)
ALS : American Philosophical Society I duly receiv’d the honnor of Mr. H. I. Franklin’s letter...
14To Benjamin Franklin from Francis Coffyn, 12 August 1779 (Franklin Papers)
ALS : American Philosophical Society I had the honour of writing to your Excellency on the 2d....
15To Benjamin Franklin from Francis Coffyn, 30 August 1779 (Franklin Papers)
ALS : American Philosophical Society Since the last letter I had the honour to write Your...
16To Benjamin Franklin from Francis Coffyn, 18 September 1779 (Franklin Papers)
ALS : American Philosophical Society I duly received your Excellencys much respected favour of 8...
17To Benjamin Franklin from Francis Coffyn, 24 September 1779 (Franklin Papers)
ALS : American Philosophical Society I beg leave to refer your Excellency to my last letter of 18...
18To 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....
19To Benjamin Franklin from Francis Coffyn: Two Letters, 9 October 1779 (Franklin Papers)
(I) and (II) ALS : American Philosophical Society I beg leave to refer to the letter I had the...
20To Benjamin Franklin from Francis Coffyn, 6 December 1779 (Franklin Papers)
ALS : American Philosophical Society Both your Excellencys much respected favours of 15th. Octor....