1To Benjamin Franklin from the Baron d’Ogny, 25 May 1784 (Franklin Papers)
LS : American Philosophical Society Vous aurés vu, Monsieur, par la remise qui vous a déja été...
2To Benjamin Franklin from d’Ogny: Proposed Franco-American Postal Treaty, [c. 25 May 1784] (Franklin Papers)
Autograph translation by Benjamin Franklin: American Philosophical Society; D : American...