1To Benjamin Franklin from Peter P. Burdett, 5 April 1777 (Franklin Papers)
ALS : American Philosophical Society Upon the News of your arrival in France I did myself the honor of writing to you at the particular request of their Highnesses the Prince and Princess of Baaden, as well as from the pleasure I felt upon your return to Europe. This letter in all probability never reached your hands, or if it did, the multiplicity and importance of your present engagements,...