1To Benjamin Franklin from Johann Rodolph Valltravers, 13 March 1778 (Franklin Papers)
ALS : American Philosophical Society Uncertain of the Fate of my several Letters to Your Excellency of Septr. 21t. and 26th. and of 9ber. 9th. from this Place; of 10ber. 4th. from Mannheim; and of Janry. 10th. and 15th. from Lyons in France; (to neither of which I have had the Satisfaction of receiving some answer): I now send this by my Servant who is to deliver it safe into your own hands. I...