Letter listing for 1770–1779
- Pierre Augustin Caron de Beaumarchais to Admiral Jean Baptiste Charles Henri Hector d’Estaing, comte d’Estaing, 31 December 1779
- Jeremiah Bentham and Jeremy Bentham to Sir Samuel Bentham, 31 December 1779
- Anne Catherine Helvétius [née de Ligniville d'Autricourt] to Benjamin Franklin, end 1779–beginning 1780