Letter listing for 1770–1779
- Voltaire [François Marie Arouet] to Catherine II, czarina of Russia [the Great], 16 December 1774
- Voltaire [François Marie Arouet] to Jean Baptiste Jacques Élie de Beaumont, 16 December 1774
- Voltaire [François Marie Arouet] to François Louis Claude Marin, 16 December 1774
- Jean Jacques Rousseau to Madeleine Catherine Delessert [née Boy de la Tour], 17 December 1774
- Marie Anne de Vichy-Chamrond, marquise Du Deffand [née de Vichy] to Horace Walpole, 4th earl of Orford, 17 December 1774
- Louis XVI, king of France to Charles Gravier, comte de Vergennes, 18 December 1774
- Marie Anne de Vichy-Chamrond, marquise Du Deffand [née de Vichy] to Voltaire [François Marie Arouet], 19 December 1774
- Marie Anne de Vichy-Chamrond, marquise Du Deffand [née de Vichy] to Voltaire [François Marie Arouet], 19 December 1774
- Voltaire [François Marie Arouet] to Dominique Audibert, 19 December 1774
- Voltaire [François Marie Arouet] to Joseph Jérôme Lefrançois de Lalande, 19 December 1774
- Voltaire [François Marie Arouet] to Joseph Vasselier, c. 19 December 1774
- Voltaire [François Marie Arouet] to David Louis Constant de Rebecque, seigneur d’Hermenches, 20 December 1774
- Charles Gravier, comte de Vergennes to Louis XVI, king of France, 21 December 1774
- Voltaire [François Marie Arouet] to Louise Bernarde Berthier de Sauvigny [née Durey d'Harnoncourt], 21 December 1774
- Marie Anne de Vichy-Chamrond, marquise Du Deffand [née de Vichy] to Voltaire [François Marie Arouet], 22 December 1774
