1To Benjamin Franklin from Richard Bache, 16 May 1772 (Franklin Papers)
ALS : American Philosophical Society A few Days since per Captain Sparks I did myself the...
2To Benjamin Franklin from Richard Bache, 6 October 1772 (Franklin Papers)
ALS : American Philosophical Society Since my last I am favored with yours of the 4th [?] 14 and...
3To Benjamin Franklin from Richard Bache, [3 November 1772] (Franklin Papers)
ALS : American Philosophical Society I have to acknowledge Receipt [of your letter of?] 22 August...