Letter listing for 1770–1779
- Voltaire [François Marie Arouet] to Marie Jean Antoine Nicolas de Caritat, marquis de Condorcet, 12 August 1774
- Voltaire [François Marie Arouet] to Marie Anne de Vichy-Chamrond, marquise Du Deffand [née de Vichy], 12 August 1774
- Voltaire [François Marie Arouet] to Marie Jean Antoine Nicolas de Caritat, marquis de Condorcet, 12 August 1774 [translation from French into English]
- Voltaire [François Marie Arouet] to Marie Anne de Vichy-Chamrond, marquise Du Deffand [née de Vichy], 12 August 1774 [translation from French into English]
- Marie Jean Antoine Nicolas de Caritat, marquis de Condorcet to Anne Robert Jacques Turgot, baron de l’Aulne, 14 August 1774
- Marie Jean Antoine Nicolas de Caritat, marquis de Condorcet to Anne Robert Jacques Turgot, baron de l’Aulne, 14 August 1774
- Marie Anne de Vichy-Chamrond, marquise Du Deffand [née de Vichy] to Horace Walpole, 4th earl of Orford, 14 August 1774
- Voltaire [François Marie Arouet] to René Nicolas Charles Augustin de Maupeou, marquis de Morangles, 14 August 1774
- Voltaire [François Marie Arouet] to Dominique Audibert, 15 August 1774
- Voltaire [François Marie Arouet] to Maréchal Louis François Armand de Vignerot du Plessis, 3rd duc de Richelieu, 15 August 1774
- Voltaire [François Marie Arouet] to Nicolas Louis François de Neufchâteau, comte de Neufchâteau, 15 August 1774
- Voltaire [François Marie Arouet] to Frederick II, king of Prussia [the Great], 16 August 1774
- Voltaire [François Marie Arouet] to Jean Baptiste Antoine Suard, 16 August 1774
- Voltaire [François Marie Arouet] to François Louis Claude Marin, 16 August 1774
- Voltaire [François Marie Arouet] to Frederick II, king of Prussia [the Great], 16 August 1774 [translation from French into English]
