Letter listing for 1740–1749
- Voltaire [François Marie Arouet] to Charles Augustin Feriol, comte d’Argental, 17 October 1748
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, 18 October 1748
- Frederick II, king of Prussia [the Great] to Luise Dorothea, Herzogin von Sachsen-Gotha-Altenburg [née von Sachsen-Meiningen], 18 October 1748 – 15 January 1750
- Frederick II, king of Prussia [the Great] to Luise Dorothea, Herzogin von Sachsen-Gotha-Altenburg [née von Sachsen-Meiningen], 18 October 1748 – 15 January 1750
- Luise Dorothea, Herzogin von Sachsen-Gotha-Altenburg [née von Sachsen-Meiningen] to Frederick II, king of Prussia [the Great], 18 October 1748
- Voltaire [François Marie Arouet] to Étienne de La Montagne, 18 October 1748
- Pietro Ercole Gherardi to Lodovico Antonio Muratori, 19 October 1748
- Voltaire [François Marie Arouet] to Charles Augustin Feriol, comte d’Argental, 19 October 1748
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, 20 October 1748
- M. — Chevalier to Pierre François de Montaigu, comte de Montaigu, 21 October 1748
- Voltaire [François Marie Arouet] to Marie Louise Denis [née Mignot], 21 October 1748
- Lodovico Antonio Muratori to Cardinal Fortunato Tamburini, 22 October 1748
- Nicola Tacoli to Lodovico Antonio Muratori, 22 October 1748
- Voltaire [François Marie Arouet] to Georg Conrad Walther, 22 October 1748
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, 23 October 1748