Letter listing for 1770–1779
- Claude Adrien Helvétius to Jean Frédéric Perregaux, 2 May 1770
- Voltaire [François Marie Arouet] to Gaspard Henry Schérer, 2 May 1770
- Mignot resigns from the Conseil du roi, May 1770 by Guillaume Claude de Laleu and M. — Giraut, 3 May 1770
- Voltaire [François Marie Arouet] to Charles Augustin Feriol, comte d’Argental, 4 May 1770
- Voltaire [François Marie Arouet] to Frederick II, king of Prussia [the Great], 4 May 1770
- Doctor Andrew Coltee Ducarel to Thomas Warton, 5 May 1770
- Voltaire [François Marie Arouet] to Marie Anne de Vichy-Chamrond, marquise Du Deffand [née de Vichy], 5 May 1770
- Voltaire [François Marie Arouet] to Marie Anne de Vichy-Chamrond, marquise Du Deffand [née de Vichy], 5 May 1770
- Voltaire [François Marie Arouet] to Guillaume Claude de Laleu, 6 May 1770
- James Boswell to William Johnston Temple, 7 May 1770
- père André Morellet, abbé Morellet to Pierre Joseph Macquer, 7 May 1770
- Voltaire [François Marie Arouet] to Élie Bertrand, 7 May 1770
- Voltaire [François Marie Arouet] to Joseph Uriot, 7 May 1770
- Voltaire [François Marie Arouet] to Jacob Vernes, 7 May 1770
- William Cowper to Joseph Hill, 8 May 1770