Letter listing for 1770–1779
- Voltaire [François Marie Arouet] to David Louis Constant de Rebecque, seigneur d’Hermenches, 11 October 1774
- Marie Anne de Vichy-Chamrond, marquise Du Deffand [née de Vichy] to Horace Walpole, 4th earl of Orford, 12 October 1774
- Voltaire [François Marie Arouet] to Charles Louis Mauguet de Mézières, marquis Ducrest, 14 October 1774
- Voltaire [François Marie Arouet] to Maréchal Louis François Armand de Vignerot du Plessis, 3rd duc de Richelieu, 14 October 1774
- Jean Louis Wagnière to Gaspard Henry Schérer, 14 October 1774
- François Louis Claude Marin to Voltaire [François Marie Arouet], 15 October 1774
- Voltaire [François Marie Arouet] to Georges Louis Leclerc, comte de Buffon, 15 October 1774
- Voltaire [François Marie Arouet] to Frederick II, king of Prussia [the Great], 15 October 1774
- Voltaire [François Marie Arouet] to Johannes von Müller, 15 October 1774
- Marie Anne de Vichy-Chamrond, marquise Du Deffand [née de Vichy] to Horace Walpole, 4th earl of Orford, 16 October 1774
- Louis XVI, king of France to Charles Gravier, comte de Vergennes, 17 October 1774
- Henri Léonard Jean Baptiste Bertin to Pierre Michel Hennin, 17 October 1774
- Voltaire [François Marie Arouet] to Maréchal Louis François Armand de Vignerot du Plessis, 3rd duc de Richelieu, 17 October 1774
- Voltaire [François Marie Arouet] to Maréchal Louis François Armand de Vignerot du Plessis, 3rd duc de Richelieu, 17 October 1774
- Louis XVI, king of France to Charles Gravier, comte de Vergennes, 19 October 1774
