1To Benjamin Franklin from Joshua Babcock, 31 May 1778 (Franklin Papers)
ALS : American Philosophical Society To You, Dear Doctor, amidst the Glare of Applause (augmented...
2To Benjamin Franklin from Joshua Babcock, 15 February 1774 (Franklin Papers)
ALS : American Philosophical Society In your last Favour, alas too long since, of 3rd Augt. 1772,...