Letter listing for 1770–1779
- Claude Henri Watelet to George Simon Harcourt, 2nd Earl Harcourt, 7 May 1771
- Frederick II, king of Prussia [the Great] to Voltaire [François Marie Arouet], 8 May 1771
- Princess Yekaterina Romanovna Dashkova [née Vorontsova] to Voltaire [François Marie Arouet], c. 8 May 1771
- Marie Anne de Vichy-Chamrond, marquise Du Deffand [née de Vichy] to Horace Walpole, 4th earl of Orford, 8 May 1771
- Sophie Jeanne Armande Élisabeth Septimanie de Vignerod Du Plessis, comtesse d’Egmont-Pignatelli to Gustavus III, king of Sweden, 8 May 1771
- Voltaire [François Marie Arouet] to — de Brakes, baron de Brakes, 8 May 1771
- Voltaire [François Marie Arouet] to Charles Frédéric Gabriel Christin, 8 May 1771
- Voltaire [François Marie Arouet] to René Nicolas Charles Augustin de Maupeou, marquis de Morangles, 8 May 1771
- Voltaire [François Marie Arouet] to Henri Lambert d’Herbigny, marquis de Thibouville, 8 May 1771
- Thomas Warton to Jonathan Toup, 8 May 1771
- Voltaire [François Marie Arouet] to Princess Yekaterina Romanovna Dashkova [née Vorontsova], 9 May 1771
- Voltaire [François Marie Arouet] to Louis Phélypeaux, duc de La Vrillière, 9 May 1771
- Claude Adrien Helvétius to Christian von Forbach, graf von Forbach, 10 May 1771
- Louise Florence Pétronille La Live, marquise d’Épinay [née Tardieu d'Esclavelles] to Antoine Raymond Jean Gualbert Gabriel de Sartine, comte d’Albi, 10 May 1771
- Voltaire [François Marie Arouet] to Princess Yekaterina Romanovna Dashkova [née Vorontsova], 12 May 1771
