1To Benjamin Franklin from John Coakley Lettsom, 13 September 1781 (Franklin Papers)
ALS : American Philosophical Society May I request Dr. Franklin’s acceptance of the publications...
2From Benjamin Franklin to John Coakley Lettsom, 6 [or 17] March 1783 (Franklin Papers)
Reprinted from Thomas Joseph Pettigrew, ed., Memoirs of the Life and Writings of the Late John...
3To Benjamin Franklin from John Coakley Lettsom, 15 July 1783 (Franklin Papers)
ALS : American Philosophical Society John Lister, a respectable Friend (Quaker) has just informed...
4To Benjamin Franklin from John Coakley Lettsom, 2 August 1783 (Franklin Papers)
ALS : American Philosophical Society Henry Smeathman, the bearer of this is an ingenious person,...
5To Benjamin Franklin from John Coakley Lettsom, 28 January 1784 (Franklin Papers)
ALS : American Philosophical Society I write this at the request of my friend & Countryman...
6To Benjamin Franklin from John Coakley Lettsom, 1 March 1785 (Franklin Papers)
L : American Philosophical Society The enclosed is a rough sketch of a few data, which I mean to...