Letter listing for 1770–1779
- Voltaire [François Marie Arouet] to Cosimo Alessandro Collini, 8 December 1773
- Voltaire [François Marie Arouet] to Frederick II, king of Prussia [the Great], 8 December 1773
- Voltaire [François Marie Arouet] to Jacques Antoine Hippolyte de Guibert, comte de Guibert, 8 December 1773
- Voltaire [François Marie Arouet] to Antoine François Prost de Royer, 8 December 1773
- Voltaire [François Marie Arouet] to Gaspard Henry Schérer, 8 December 1773
- Voltaire [François Marie Arouet] to Joseph Vasselier, 8 December 1773
- Frederick II, king of Prussia [the Great] to Voltaire [François Marie Arouet], 10 December 1773
- père André Morellet, abbé Morellet to William Petty, 1st marquess of Lansdowne [2nd earl of Shelburne], 10 December 1773
- Voltaire [François Marie Arouet] to Maréchal Louis François Armand de Vignerot du Plessis, 3rd duc de Richelieu, 10 December 1773
- Marie Anne de Vichy-Chamrond, marquise Du Deffand [née de Vichy] to Horace Walpole, 4th earl of Orford, 11 December 1773
- Voltaire [François Marie Arouet] to François Louis Claude Marin, 11 December 1773
- Voltaire [François Marie Arouet] to Louise Suzanne Necker [née Curchod], 11 December 1773
- Jacques Henri Bernardin de Saint-Pierre to Pierre Augustin Caron de Beaumarchais, 12 December 1773
- Marie Jean Antoine Nicolas de Caritat, marquis de Condorcet to Anne Robert Jacques Turgot, baron de l’Aulne, 13 December 1773
- Marie Jean Antoine Nicolas de Caritat, marquis de Condorcet to Anne Robert Jacques Turgot, baron de l’Aulne, 13 December 1773
