11To Benjamin Franklin from David Hartley, 29 April 1778 (Franklin Papers)
Reprinted from William Temple Franklin, ed., Memoirs of the Life and Writings of Benjamin...
12To Benjamin Franklin from David Hartley, 27 July 1784 (Franklin Papers)
ALS : Library of Congress I have thought it a long while that my Confinement has prevented my...
13To Benjamin Franklin from David Hartley, 14 July 1778 (Franklin Papers)
ALS and incomplete copy: American Philosophical Society; transcript: Library of Congress I have...
14To Benjamin Franklin from David Hartley, 16 June 1778 (Franklin Papers)
ALS : American Philosophical Society Yours of June 5 per favour of Mr. Strange received relating...
15To Benjamin Franklin from David Hartley: Two Letters, 24 June 1779 (Franklin Papers)
(I) and (II) transcript: Library of Congress I shall hope soon to have an opportunity of writing...
16To Benjamin Franklin from David Hartley, 3 May 1782 (Franklin Papers)
Transcripts: National Archives, Massachusetts Historical Society I write to you only one Line...
17To Benjamin Franklin from David Hartley, 4 February 1783 (Franklin Papers)
ALS : American Philosophical Society As I enclose this in the same cover as one from my Brother,...
18To Benjamin Franklin from David Hartley, 2 March 1779 (Franklin Papers)
ALS : American Philosophical Society; transcript: Library of Congress Yours of 22d of february...
19To Benjamin Franklin from David Hartley, 26 September 1781 (Franklin Papers)
ALS : American Philosophical Society Having an opportunity of a conveyance to you, I write one...
20To Benjamin Franklin from David Hartley, 1 June 1784 (Franklin Papers)
Copies: National Archives (London), William L. Clements Library; transcript: National Archives I...