1From Benjamin Franklin to David Hartley, 29 November 1778 (Franklin Papers)
ALS : National Library of Scotland; transcript: Library of Congress I have heard nothing from you...
2From Benjamin Franklin to [David Hartley], 1 January 1779 (Franklin Papers)
ALS : National Maritime Museum I am glad to learn by your Favour of the 19th past, the good...
3From Benjamin Franklin to David Hartley, 25 January 1779 (Franklin Papers)
LS : The Current Company, Bristol, R.I. (1977); transcript: Library of Congress I a long time...
4From Benjamin Franklin to [David Hartley], 3 February 1779 (Franklin Papers)
Copy: Library of Congress I have just received your favour of the 23d. past, in which you...
5From Benjamin Franklin to David Hartley: Two Letters, 22 February 1779 (Franklin Papers)
(I) LS , AL (draft), copy, and transcript: Library of Congress; (II) transcript and incomplete...