1To Benjamin Franklin from Francis Coffyn, 28 December 1780 (Franklin Papers)
ALS : American Philosophical Society I take the liberty for your Excellencys information to annex...
2To 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...
3To 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...
4To 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...
5To 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...
6To 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...
7To 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....
8To 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...
9To 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...
10To Benjamin Franklin from Francis Coffyn, 24 April 1783 (Franklin Papers)
ALS : American Philosophical Society I had the honnor to address your Excellency by my last...