Letter listing for 1770–1779
- Notice of sale: Scotch Town & mansion house of the John Robinson estate by Edmund Pendleton and Peter Lyons, 26 July 1770
- Jean Jacques Rousseau to Marc Michel Rey, 26 July 1770
- Voltaire [François Marie Arouet] to Nicolas Claude Thieriot, 26 July 1770
- Voltaire [François Marie Arouet] to Jean Le Rond d’Alembert, 27 July 1770
- Voltaire [François Marie Arouet] to Frederick II, king of Prussia [the Great], 27 July 1770
- Voltaire [François Marie Arouet] to Jean François de La Harpe, 27 July 1770
- Frederick II, king of Prussia [the Great] to Jean Le Rond d’Alembert, 28 July 1770
- Jean Jacques Rousseau to François Joseph Marteau, 28 July 1770
- Voltaire [François Marie Arouet] to Jean François René Tabareau, 28 July 1770
- Marie Anne de Vichy-Chamrond, marquise Du Deffand [née de Vichy] to Voltaire [François Marie Arouet], 29 July 1770
- Marie Anne de Vichy-Chamrond, marquise Du Deffand [née de Vichy] to Voltaire [François Marie Arouet], 29 July 1770
- Voltaire [François Marie Arouet] to Jean Baptiste Jacques Élie de Beaumont, 30 July 1770
- Voltaire [François Marie Arouet] to François de Caire, 30 July 1770
- Voltaire [François Marie Arouet] to Louis Gaspard Fabry, 30 July 1770
- Voltaire [François Marie Arouet] to Gabriel Cramer, July / August 1770