1From Benjamin Franklin to Ferdinand Grand, 23 May 1780 (Franklin Papers)
Copy: American Philosophical Society Pay to W.T. Franklin ten Louis d’Ors he having advanced the...
2From Benjamin Franklin to Rodolphe-Ferdinand Grand, 30 March 1780 (Franklin Papers)
Copy: Library of Congress M. Dumas has written a Long letter to M. Bowdoin [Baudouin] Acquainting...
3From Benjamin Franklin to Ferdinand Grand, 30 May 1780 (Franklin Papers)
ALS : Dibner Library of the History of Science and Technology, Smithsonian Institution This is to...