1John Langdon to the American Commissioners, 29 October 1777 (Franklin Papers)
ALS : American Philosophical Society; presscopy: Massachusetts Historical Society By the...
2John Langdon to the Commissioners, 21 October 1778 (Adams Papers)
The Courier d Europe Captain Raffin being ready to sail for France, I have taken the Liberty to...
3John Langdon to the American Commissioners, 21 October 1778: résumé (Franklin Papers)
ALS : American Philosophical Society <Portsmouth, N.H., October 21, 1778: Since the Courier de...