1To Benjamin Franklin from William Strahan, [October 1767–1774] (Franklin Papers)
AL : American Philosophical Society Mr. Strahan presents his best Compliments to Dr....
2To Benjamin Franklin from William Strahan, 21 February 1767 (Franklin Papers)
ALS : Yale University Library The Company that were to have dined with me on Monday are so...
3To Benjamin Franklin from Mr. and Mrs. William Strahan, 28 January 1767 (Franklin Papers)
AL : American Philosophical Society Mr. and Mrs. Strahan present their Compliments to Dr....