1To Benjamin Franklin from Joseph Morgan, 7 July 1735 (Franklin Papers)
ALS : American Philosophical Society Sir, I have long expected to See the new Edition of The...
2To Benjamin Franklin from Joseph Morgan, 5 October 1738 (Franklin Papers)
ALS : The Royal Society If my Manuscripts be not gone before this comes to you; I have one Small...
3To Benjamin Franklin from Joseph Morgan, 11 October 1738 (Franklin Papers)
ALS : The Royal Society Please to fasten this to the Manuscript of Philosophy. And if it be gone,...