1To Benjamin Franklin from Jacques-Donatien Le Ray de Chaumont, [after 16 June 1780] (Franklin Papers)
AL : American Philosophical Society M de Chaumont a L’honneur de prevenir M. franklin que C’est...
2To Benjamin Franklin from Landais, 16 June 1780 (Franklin Papers)
LS : American Philosophical Society, University of Pennsylvania Library; copy: National Archives...