11To Benjamin Franklin from Samuel Cooper, 1 February 1781 (Franklin Papers)
ALS : American Philosophical Society Colonel Laurens, an Officer highly esteemed in the Army of...
12To Benjamin Franklin from Samuel Cooper, 8 September 1780 (Franklin Papers)
ALS : American Philosophical Society Having very Short Warning of an Opportunity to France by...
13To Benjamin Franklin from Samuel Cooper, 25 July 1780 (Franklin Papers)
ALS : American Philosophical Society I have but a Moment to write by the Mars a Vessel belonging...
14To Benjamin Franklin from Samuel Cooper, 17 July 1780 (Franklin Papers)
ALS : American Philosophical Society I wrote you not long since by the Rambler from Salem, and...
15To Benjamin Franklin from Samuel Cooper, 23 May 1780 (Franklin Papers)
ALS : American Philosophical Society I received some Months past your Letter from Passy dated...
16To Benjamin Franklin from Samuel Cooper, 15 March 1780 (Franklin Papers)
ALS : American Philosophical Society As it is uncertain when this Letter will be delivered to...
17To Benjamin Franklin from Samuel Cooper, 13 November 1779 (Franklin Papers)
ALS : Harvard University Library This will be delivered to you by Mr Jeremy Allen a Merchant in...
18To Benjamin Franklin from Samuel Cooper, 12 November 1779 (Franklin Papers)
ALS : American Philosophical Society My little Grandson Samuel Cooper Johonnot will have the...
19To Benjamin Franklin from Samuel Cooper: Two Letters, 4 January 1778 [i.e., 1779] (Franklin Papers)
(I) ALS : American Philosophical Society; (II) ALS : American Philosophical Society; extract:...
20To Benjamin Franklin from Samuel Cooper, 21 November 1778 (Franklin Papers)
ALS : American Philosophical Society I have just wrote to you by Mr Duncan Ingraham Junr. upon...