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...
2To Benjamin Franklin from John Coakley Lettsom, 15 July 1783 (Franklin Papers)
ALS : American Philosophical Society John Lister, a respectable Friend (Quaker) has just informed...
3To 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,...
4To 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...
5To 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...
6To George Washington from John Coakley Lettsom, 15 July 1795 (Washington Papers)
Although a stranger to thee, and from my insignificancy in the great community of the world, even...
7To Thomas Jefferson from John Coakley Lettsom, 10 October 1801 (Jefferson Papers)
Although unknown to the President of the United States of America, I could not be ignorant of his...