11To Benjamin Franklin from Isaac Norris, 24 November 1757 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania The above is a Copy of my last. I have Since...
12To Benjamin Franklin from Isaac Norris, 27 February 1760 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania I am just come from the House to my Brother’s...
13To Benjamin Franklin from Isaac Norris, 4 November 1761 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania I sent by Captain Hervey bound to Hollyhead...
14To Benjamin Franklin from Isaac Norris, 27 August 1760 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania Above is Copy of my Last by Captain Friend....
15To Benjamin Franklin from Isaac Norris, 11 August 1759 (Franklin Papers)
ALS : American Philosophical Society; letterbook copy: Historical Society of Pennsylvania; copy:...
16To Benjamin Franklin from Isaac Norris, 16 November 1761 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania Benja. Franklin By Captn. Bradford } Infra...
17To Benjamin Franklin from Isaac Norris, 21 February 1758 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania Our old Inviterate Scribler has at length...
18To Benjamin Franklin from Isaac Norris, 5 April 1759 (Franklin Papers)
Two Letterbook copies: Historical Society of Pennsylvania I have already wrote by Captain Cuzzins...
19To Benjamin Franklin from Isaac Norris, 18 May 1765 (Franklin Papers)
ALS : American Philosophical Society; letterbook copy: Historical Society of Pennsylvania I...
20To Benjamin Franklin from Isaac Norris, 20 September 1760 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania Since my Last 24 and 27 August which...