Letter listing for 1770–1779
- Voltaire [François Marie Arouet] to Trophime Gérard de Lally-Tolendal, chevalier de Lally-Tolendal, 26 May 1778
- Voltaire [François Marie Arouet] to Trophime Gérard de Lally-Tolendal, chevalier de Lally-Tolendal, 26 May 1778 [translation from French into English]
- Voltaire [François Marie Arouet] to Trophime Gérard de Lally-Tolendal, chevalier de Lally-Tolendal, 26 May 1778 [translation from French into English]
- Premier semainier de la Comédie-française to Jean François de La Harpe, 27 May 1778
- Antoine Jean Amelot de Chaillou, marquis de Combrande to Alexandre Marie François de Paule de Dompierre d’Hornoy, 27 May 1778
- Antoine Jean Amelot de Chaillou, marquis de Combrande to Alexandre Marie François de Paule de Dompierre d’Hornoy, 27 May 1778
- Jeremy Bentham to Sir William Blackstone, 27 May 1778
- Jean Louis Wagnière to Gaspard Henry Schérer, 27 May 1778
- Jean François de La Harpe to Troupe des Comédiens-français, 29 May 1778
- Louis Laurent Gaultier to Voltaire [François Marie Arouet], 30 May 1778
- Jean Charles Pierre Le Noir to Antoine Jean Amelot de Chaillou, marquis de Combrande, 30 May 1778
- Paul Claude Moultou to Marianne Moultou [née Fuzier-Cayla], 30 May 1778
- Ignatius Sancho to [unknown], 31 May 1778
- Marie Anne de Vichy-Chamrond, marquise Du Deffand [née de Vichy] to Horace Walpole, 4th earl of Orford, 31 May 1778
- Marie Bonaventure Jean Joseph Augustin Le Conte de Nonant de Raray, chevalier de Flamanville to Jean Jacques Rousseau, June 1778