11From Benjamin Franklin to John Winthrop, 11 March 1769 (Franklin Papers)
ALS : American Philosophical Society At length after much Delay and Difficulty I have been able...
12From Benjamin Franklin to John Winthrop, 2 July 1768 (Franklin Papers)
Reprinted from William Temple Franklin, ed., Memoirs of the Life and Writings of Benjamin...
13From Benjamin Franklin to John Winthrop, 10 July 1764 (Franklin Papers)
ALS : Harvard College Library I received your Favour of the 12th. past, and congratulate you on...
14From Benjamin Franklin to John Winthrop, 23 December 1762 (Franklin Papers)
MS not found; reprinted from American Autograph Shop, American Clipper (Merion Station, Pa.),...
15From Benjamin Franklin to John Winthrop, 8 April 1761 (Franklin Papers)
ALS : American Philosophical Society I did myself the Honour of writing you a few Lines the 20th...