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....
15Members of the Purfleet Committee to Sir John Pringle, 17 December 1772 (Franklin Papers)
Printed in the Royal Society, Philosophical Transactions …, LXIII (1773–74), 66. The letter below...
16To 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...