1To Benjamin Franklin from Samuel Cooper, 20 November 1783 (Franklin Papers)
ALS : American Philosophical Society I never in all my Life wrote a Letter with half the...
2To Benjamin Franklin from Charles-Guillaume-Frédéric Dumas, 20 November 1783 (Franklin Papers)
ALS : Library of Congress; AL (draft): Nationaal Archief J’ai reçu la faveur du 10e., que m’a...