11To Benjamin Franklin from Samuel Cooper, 15 August 1774 (Franklin Papers)
AL (draft): British Museum This letter brought Franklin his earliest first-hand news, as far as...
12To Benjamin Franklin from Samuel Cooper, 9 September 1774 (Franklin Papers)
ALS : American Philosophical Society; draft copy: British Museum This letter carries on the story...
13To Benjamin Franklin from Samuel Cooper, 1 April 1775 (Franklin Papers)
ALS : Massachusetts Historical Society; draft: British Museum I wrote you in Septr and Aug: last,...
14To Benjamin Franklin from Samuel Cooper, [21 March 1776] (Franklin Papers)
ALS : American Philosophical Society It is too long since I wrote to any of my Friends your way,...
15To Benjamin Franklin from Samuel Cooper, 17 September 1776 (Franklin Papers)
ALS : American Philosophical Society I cannot forbear expressing to you the Pleasure I receivd...
16To Benjamin Franklin from [Samuel Cooper], 27 February 1777 (Franklin Papers)
AL : American Philosophical Society I wrote you some Time ago, acknowledging the Receit of your...
17To Benjamin Franklin from Samuel Cooper, 28 March 1777 (Franklin Papers)
ALS : Henry E. Huntington Library If this Line ever reaches you, it will be deliverd by Mr....
18To Benjamin Franklin from [Samuel Cooper], 30 March 1777 (Franklin Papers)
AL : American Philosophical Society I have wrote you within a few Weeks a Number of Letters, and...
19To Benjamin Franklin from Samuel Cooper: Two Letters, 25 October 1777 (Franklin Papers)
(I) ALS : American Philosophical Society; (II) AL : American Philosophical Society; copy: Henry...
20To Benjamin Franklin from Samuel Cooper, 13 February 1778 (Franklin Papers)
ALS : American Philosophical Society I am afraid, not having receiv’d a single Line from you...