Letter listing for 1750–1759
- Nicolas René Berryer de Ravenoville to Voltaire [François Marie Arouet], 7 January 1750
- Declarations concerning Mme Du Châtelet’s inventory by Claude Simon Colin, 7 January 1750
- Voltaire [François Marie Arouet] to Michel Lambert, 7 January 1750
- Voltaire [François Marie Arouet] to Michel Lambert, 7 January 1750
- Voltaire [François Marie Arouet] to Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt], c. 7 January 1750
- Prosper Jolyot de Crébillon to Voltaire [François Marie Arouet], c. 10 January 1750
- Voltaire [François Marie Arouet] to Charles Augustin Feriol, comte d’Argental, c. 10 January 1750
- Frederick II, king of Prussia [the Great] to Voltaire [François Marie Arouet], 11 January 1750
- Marie Louise Denis [née Mignot] to François de Chennevières, 12 January 1750
- Samuel Richardson to Edward Young, 12 January 1750
- Voltaire [François Marie Arouet] to Claire Josèphe Hippolyte Léris de Latude [née Léris], 12 January 1750
- Pierre Claude Nivelle de La Chaussée to père Jean Bernard Le Blanc, abbé Le Blanc, 14 January 1750
- Luise Dorothea, Herzogin von Sachsen-Gotha-Altenburg [née von Sachsen-Meiningen] to Frederick II, king of Prussia [the Great], 15 January 1750
- Voltaire [François Marie Arouet] to Charles Augustin Feriol, comte d’Argental, c. 15 January 1750
- Voltaire [François Marie Arouet] to Claire Josèphe Hippolyte Léris de Latude [née Léris], c. 15 January 1750