41To Benjamin Franklin from Isaac Norris, 15 April 1760 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania It is so long since we received any Accounts...
42To Benjamin Franklin from Isaac Norris, 12 April 1759 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania The above is Copy of a Message sent down by...
43To 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...