Letter listing for 1770–1779
- Marie Anne de Vichy-Chamrond, marquise Du Deffand [née de Vichy] to Horace Walpole, 4th earl of Orford, 30 April 1774
- Voltaire [François Marie Arouet] to Charles Augustin Feriol, comte d’Argental, 30 April 1774
- Voltaire [François Marie Arouet] to Alexandre Marie François de Paule de Dompierre d’Hornoy, 30 April 1774
- Voltaire [François Marie Arouet] to Étienne Luzac, 30 April 1774
- Voltaire [François Marie Arouet] to M. — Troussel, c. 30 April 1774
- Voltaire [François Marie Arouet] to Count Andrei Petrovich Shuvalov, 30 April / May 1774
- Jean François de La Harpe to Count Andrei Petrovich Shuvalov, May–June 1774
- Charles Joseph, prince de Ligne to Voltaire [François Marie Arouet], May 1774
- Charles Theveneau de Morande, chevalier de Morande to Charles Geneviève Louis Auguste André Timothée d’Éon de Beaumont, chevalier d’Éon, c. May 1774
- Voltaire [François Marie Arouet] to Gaspard Henry Schérer, 2 May 1774
- Madeleine Sophie Challe to Jacques Henri Bernardin de Saint-Pierre, 3 May 1774
- Charles Henry Chrétien Rosé to Voltaire [François Marie Arouet], 3 May 1774
- Voltaire [François Marie Arouet] to Paul Claude Moultou, 3 May 1774
- Opinion on the power of the General Court to establish fees by Edmund Pendleton, 4 May 1774
- Voltaire [François Marie Arouet] to Marie Jean Antoine Nicolas de Caritat, marquis de Condorcet, 4 May 1774
