1To 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,...
2To Benjamin Franklin from Samuel Cooper, 17 September 1776 (Franklin Papers)
ALS : American Philosophical Society I cannot forbear expressing to you the Pleasure I receivd...
3To 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...
4To 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....
5To 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...
6To Benjamin Franklin from Samuel Cooper: Two Letters, 25 October 1777 (Franklin Papers)
(I) ALS : American Philosophical Society; (II) AL : American Philosophical Society; copy: Henry...
7To 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...
8To Benjamin Franklin from Samuel Cooper, 13 May 1778 (Franklin Papers)
ALS : University of Pennsylvania Library Having been inform’d that the French Frigate from...
9To Benjamin Franklin from Samuel Cooper, 14 May 1778 (Franklin Papers)
ALS : University of Pennsylvania Library I wrote you two Days ago; but hearing the Vessel is...
10To Benjamin Franklin from Samuel Cooper, 1 June 1778 (Franklin Papers)
ALS : American Philosophical Society; incomplete ALS : University of Pennsylvania Library Your...