1To Benjamin Franklin from John Bartram, 29 July 1757 (Franklin Papers)
Letterbook copy: Historical Society of Pennsylvania I now take the Freedom of thy usual...
2To Benjamin Franklin from John Bartram, 12 November 1757 (Franklin Papers)
Extract: The Royal Society Here is a visible Aurora Borealis; at 7 a Clock it was about two hours...
3From Benjamin Franklin to John Bartram, 11 January 1758 (Franklin Papers)
Extract: The Royal Society I thank you for your Account of the Aurora. A very considerable one...
4From Benjamin Franklin to John Bartram, 14 February 1765 (Franklin Papers)
ALS : University of Pennsylvania Library I received your kind Letter of Decemr 19. Our Friend...
5To Benjamin Franklin from John Bartram, 5 November 1768 (Franklin Papers)
ALS : American Philosophical Society I have often intended to have wrote to thee this several...
6From Benjamin Franklin to John Bartram, 9 January 1769 (Franklin Papers)
Reprinted from William Darlington, ed., Memorials of John Bartram and Humphry Marshall...
7To Benjamin Franklin from John Bartram, 10 April 1769 (Franklin Papers)
ALS : American Philosophical Society I received with great pleasure my dear friends letter of...
8From Benjamin Franklin to John Bartram, 9 July 1769 (Franklin Papers)
ALS : Stanford University Libraries It is with great Pleasure I understand by your Favour of...
9To Benjamin Franklin from John Bartram, 29 November 1769 (Franklin Papers)
ALS : American Philosophical Society Yesterday I had the pleasure of takeing Mrs. Franklin by the...
10From Benjamin Franklin to John Bartram, 11 January 1770 (Franklin Papers)
Reprinted from William Darlington, ed., Memorials of John Bartram and Humphry Marshall...