1To 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....
2To Benjamin Franklin from Francis Coffyn, 11 October 1783 (Franklin Papers)
ALS : American Philosophical Society I had the honnor of addressing your Excellency on the 15....
3To 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...
4To 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...
5To 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...
6To Benjamin Franklin from Francis Coffyn, 21 August 1782 (Franklin Papers)
ALS : American Philosophical Society J’ai l’honneur de vous ecrire la presente, laquelle vous...
7To Benjamin Franklin from Francis Coffyn, 16 May 1782 (Franklin Papers)
ALS : University of Pennsylvania Library J’ai l’honneur de vous ecrire la presente laquelle vous...
8To 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...
9To 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...
10To Benjamin Franklin from Francis Coffyn, 16 March 1782 (Franklin Papers)
ALS : American Philosophical Society J’ai l’honneur de vous ecrire la presente qui vous sera...
11To 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....
12To 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...
13To Benjamin Franklin from Francis Coffyn, 16 October 1781 (Franklin Papers)
ALS : University of Pennsylvania Library I beg leave to refer to the letter I had the honour of...
14To 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...
15To Benjamin Franklin from Francis Coffyn, 29 July 1781 (Franklin Papers)
ALS : American Philosophical Society I had the honnor to address your Excellency on the 27....
16To Benjamin Franklin from Francis Coffyn, 10 March 1781 (Franklin Papers)
ALS : American Philosophical Society I receiv’d your Excellencys favour of 13th. inst. and am...
17To Benjamin Franklin from Francis Coffyn, 3 February 1781 (Franklin Papers)
ALS : American Philosophical Society La presente Sera remise à Votre Excellence par Monsieur...
18To Benjamin Franklin from Francis Coffyn, 28 December 1780 (Franklin Papers)
ALS : American Philosophical Society I take the liberty for your Excellencys information to annex...
19To Benjamin Franklin from Francis Coffyn, 15 December 1780 (Franklin Papers)
ALS : American Philosophical Society Your Excellency has given me too many proofs of his goodness...
20To Benjamin Franklin from Francis Coffyn, 29 July 1780 (Franklin Papers)
ALS : American Philosophical Society Agreable to The unfortunate Captain Conynghams request, I...
21To Benjamin Franklin from Francis Coffyn, 27 February 1780 (Franklin Papers)
ALS : American Philosophical Society The Bearer of this Thomas Kearl, of Norfolk in Virginia...
22To Benjamin Franklin from Francis Coffyn, 2 January 1780 (Franklin Papers)
ALS : American Philosophical Society I have the honour and Satisfaction to inform your Excellency...
23To 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...
24To Benjamin Franklin from Francis Coffyn, 6 December 1779 (Franklin Papers)
ALS : American Philosophical Society Both your Excellencys much respected favours of 15th. Octor....
25To 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...
26To 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....
27To 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...
28To Benjamin Franklin from Francis Coffyn, 18 September 1779 (Franklin Papers)
ALS : American Philosophical Society I duly received your Excellencys much respected favour of 8...
29To 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...
30To 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....