1To Benjamin Franklin from John Michell, 27 January 1767 (Franklin Papers)
AL : American Philosophical Society Mr. Michell presents his Compliments to Mr. Franklin and...
2To Benjamin Franklin from John Michell, 6 September 1767 (Franklin Papers)
ALS : American Philosophical Society I am just returned to Newark from an expedition into...
3To Benjamin Franklin from John Michell, 13 April 1772: résumé (Franklin Papers)
ALS : American Philosophical Society <Tom’s C. H. April 13, 1772: Returns a book together with...