51From Benjamin Franklin to William Franklin, 29 December 1767 (Franklin Papers)
MS not found; extract reprinted in part from The Pennsylvania Chronicle, And Universal Advertiser...
52From Benjamin Franklin to William Franklin, [13 June 1767] (Franklin Papers)
MS not found; extract reprinted from [Jared Sparks, ed.], A Collection of the Familiar Letters...
53From Benjamin Franklin to William Franklin, 17 March 1770: extract (Franklin Papers)
Extract: Historical Society of Pennsylvania What you say with regard to advancing Money for...