1To Benjamin Franklin from Joseph Priestley, 2 June 1770 (Franklin Papers)
ALS : Massachusetts Historical Society I inclose a few copies of my Proposals , with the...
2To Benjamin Franklin from Joseph Priestley, 26 October 1770 (Franklin Papers)
ALS (transcript): the Royal Society I think myself happy in an opportunity of giving you a...
3To Benjamin Franklin from Joseph Priestley, 21 November 1770 (Franklin Papers)
ALS : American Philosophical Society I took the liberty to trouble you with a line the last post,...