1To Benjamin Franklin from ——— de Illens, 24 June 1780 (Franklin Papers)
Copy: American Philosophical Society Un de mes Vaisseaux nomé le Diligent comandé par Capne....
2From Benjamin Franklin to ——— de Illens, 6 August 1780 (Franklin Papers)
Copy: Library of Congress I have received the Letter you did me the honor of Writing to me the...
3To Benjamin Franklin from ——— de Illens, 31 January 1783 (Franklin Papers)
ALS and copy: American Philosophical Society J’ay bien reçu en son tems la Lettre dont vous...