31To Benjamin Franklin from Isaac Norris, 26 September 1760 (Franklin Papers)
ALS : American Philosophical Society; letterbook copy: Historical Society of Pennsylvania Since...
32To Benjamin Franklin from Isaac Norris, 27 September 1760 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania I wrote Yesterday but Joshua Howell calling...
33To Benjamin Franklin from Isaac Norris, 5 October 1760 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania I wrote on the 26 and 27 of 7 br. last the...
34To Benjamin Franklin from Isaac Norris, 22 October 1760 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania Since the above, Duplicate of my Last, I have...
35To Benjamin Franklin from Isaac Norris, 1 May 1761 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania I have been so very Unwell all this last...
36To Benjamin Franklin from Isaac Norris, 21 July 1761 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania I am to acknowledge the receipt of your...
37To Benjamin Franklin from Isaac Norris, 5 August 1761 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania I wrote the Above in much haste, and yet it...
38To Benjamin Franklin from Isaac Norris, 19 August 1761 (Franklin Papers)
ALS : American Philosophical Society; letterbook copy: Historical Society of Pennsylvania Your...
39To Benjamin Franklin from Isaac Norris, 30 September 1761 (Franklin Papers)
Duplicate: American Philosophical Society; letterbook copy: Historical Society of Pennsylvania A...
40To Benjamin Franklin from Isaac Norris, 19 October 1761 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania I find my Last of the 30th of September mist...
41To Benjamin Franklin from Isaac Norris, 4 November 1761 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania I sent by Captain Hervey bound to Hollyhead...
42To Benjamin Franklin from Isaac Norris, 16 November 1761 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania Benja. Franklin By Captn. Bradford } Infra...
43To Benjamin Franklin from Isaac Norris, 18 May 1765 (Franklin Papers)
ALS : American Philosophical Society; letterbook copy: Historical Society of Pennsylvania I...