Letter listing for 1730–1739
- Gabrielle Émilie de Châtelet-Lomont d’Haraucourt, marquise Du Châtelet-Lomont [née Le Tonnelier de Breteuil] to Charles Augustin Feriol, comte d’Argental, 14 June 1738
- Annibale degli Abbati Olivieri-Giordani to Lodovico Antonio Muratori, 14 June 1738
- Jean Jacques Rousseau to Françoise Louise Eléonore de La Tour, baronne de Warens, during 1738
- Voltaire [François Marie Arouet] to Pierre Louis Moreau de Maupertuis, c. 15 June 1738
- Voltaire [François Marie Arouet] to Nicolas Claude Thieriot, c. 15 June 1738
- Voltaire [François Marie Arouet] to Claude Adrien Helvétius, 15 June 1738
- Frederick II, king of Prussia [the Great] to Nicolas Claude Thieriot, 16 June 1738
- Frederick II, king of Prussia [the Great] to Voltaire [François Marie Arouet], 17 June 1738
- Voltaire [François Marie Arouet] to père Bonaventure Moussinot, abbé Moussinot, 17 June 1738
- Voltaire [François Marie Arouet] to Henri Pitot, c. 17 June 1738
- Jonathan Swift to Margaret Boyle, countess of Cork and Orrery [née Hamilton], 19 June 1738
- Alexander Pope to Aaron Hill, 20 June 1738
- Voltaire [François Marie Arouet] to R., 20 June 1738
- Apostolo Zeno to Lodovico Antonio Muratori, 20 June 1738
- Gabrielle Émilie de Châtelet-Lomont d’Haraucourt, marquise Du Châtelet-Lomont [née Le Tonnelier de Breteuil] to Pierre Louis Moreau de Maupertuis, 21 June 1738