1To Benjamin Franklin from Francis Coffyn, 6 December 1779 (Franklin Papers)
ALS : American Philosophical Society Both your Excellencys much respected favours of 15th. Octor....
2To 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...
3To Benjamin Franklin from Francis Coffyn, 2 January 1780 (Franklin Papers)
ALS : American Philosophical Society I have the honour and Satisfaction to inform your Excellency...
4To Benjamin Franklin from Francis Coffyn, 27 February 1780 (Franklin Papers)
ALS : American Philosophical Society The Bearer of this Thomas Kearl, of Norfolk in Virginia...