1To Benjamin Franklin from the Baron von Steuben, 28 September 1779 (Franklin Papers)
Copy: New-York Historical Society I take the Liberty of transmitting you a few Copies of the...
2To Benjamin Franklin from Wilhelm Augustine von Steuben, 29 October 1779 (Franklin Papers)
LS and translation: American Philosophical Society Vôtre Excellence voudra bien me pardonner avec...
3To Benjamin Franklin from Wilhelm Augustine von Steuben: résumé, 11 February 1780 (Franklin Papers)
ALS : American Philosophical Society <Cüstrin, February 11, 1780, in German: I have received and...