1To Benjamin Franklin from William Strahan, 21 November 1784 (Franklin Papers)
ALS : American Philosophical Society With great Satisfaction I received your most acceptable...
2To Benjamin Franklin from William Strahan, 1 February 1784 (Franklin Papers)
ALS : American Philosophical Society I wrote to you in August last in answer to your very kind...
3To Benjamin Franklin from William Strahan, 26 August 1784 (Franklin Papers)
ALS : American Philosophical Society This will be delivered into your Hands by my worthy Friend...