1To Benjamin Franklin from Arendt, [before 18 May 1780]: résumé (Franklin Papers)
AL : University of Pennsylvania Library <[before May 18, 1780], in French: While in the service...
2To Benjamin Franklin from the Baron d’Arendt: Two Letters, 13 May 1780 (Franklin Papers)
(I) AL : American Philosophical Society; (II) ALS : American Philosophical Society Le Baron de...