31To Benjamin Franklin from Isaac Norris, 28 July 1760 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania It is some time since I wrote—my last being...
32To Benjamin Franklin from Isaac Norris, 1 March 1760 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania I wrote on the 27th of February last by a...
33To Benjamin Franklin from Isaac Norris, 31 July 1759 (Franklin Papers)
ALS : American Philosophical Society; letterbook copy: Historical Society of Pennsylvania; copy:...
34To Benjamin Franklin from Isaac Norris, 17 March 1759 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania I now enclose Second Bills of Exchange...
35To Benjamin Franklin from Isaac Norris, 22 August 1759 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania; copy (first part only): American...
36To Benjamin Franklin from Isaac Norris, 28 March 1759 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania This serves to cover Bills of Exchange as per...
37To Benjamin Franklin from Isaac Norris, 21 July 1761 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania I am to acknowledge the receipt of your...
38To Benjamin Franklin from Isaac Norris, 25 September 1759 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania I was Unwell with a lurking fever all the...
39To Benjamin Franklin from Isaac Norris, 26 May 1758 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania Comming into town I hear by Accident that a...
40To Benjamin Franklin from Isaac Norris, 26 September 1760 (Franklin Papers)
ALS : American Philosophical Society; letterbook copy: Historical Society of Pennsylvania Since...