11To Benjamin Franklin from Sir John Pringle, 6 December 1771: résumé (Franklin Papers)
AL : American Philosophical Society <Friday, December 6, [1771 ], a note in the third person....
12To Benjamin Franklin from Sir John Pringle, 16 December 1771: résumé (Franklin Papers)
AL : American Philosophical Society <December 16, [1771], a note in the third person. Requests...
13To Benjamin Franklin from Sir John Pringle, [before 30 September? 1772] (Franklin Papers)
AL : American Philosophical Society For some nine years William Hewson and Dr. William Hunter...
14From Benjamin Franklin to Sir John Pringle, [before 10 May 1772] (Franklin Papers)
AL (draft): American Philosophical Society Dr. F. presents his respectful Compliments to Sir J....
15To Benjamin Franklin from Sir John Pringle, [December 1773?] (Franklin Papers)
AL : Historical Society of Pennsylvania Dr. Pringle’s Compliments to Dr. Franklin and if he is to...