Letter listing for 1730–1739
- Gabrielle Émilie de Châtelet-Lomont d’Haraucourt, marquise Du Châtelet-Lomont [née Le Tonnelier de Breteuil] to père Nicolas Charles Joseph Trublet, abbé Trublet, 19 January 1739
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, 19 January 1739
- Voltaire [François Marie Arouet] to Claude Adrien Helvétius, 19 January 1739
- Voltaire [François Marie Arouet] to Pierre Joseph Thoulier d’Olivet, 19 January 1739
- Voltaire [François Marie Arouet] to Nicolas Claude Thieriot, 19 January 1739
- Voltaire [François Marie Arouet] to Nicolas Claude Thieriot, 19 January 1739
- Frederick II, king of Prussia [the Great] to Voltaire [François Marie Arouet], 20 January 1739
- Frederick II, king of Prussia [the Great] to Nicolas Claude Thieriot, 20 January 1739
- Gabrielle Émilie de Châtelet-Lomont d’Haraucourt, marquise Du Châtelet-Lomont [née Le Tonnelier de Breteuil] to Pierre Louis Moreau de Maupertuis, 20 January 1739
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, 20 January–8 February 1739
- Alexander Pope to Ralph Allen, 20 January 1739
- Voltaire [François Marie Arouet] to père Bonaventure Moussinot, abbé Moussinot, 20 January 1739
- Filippo Argelati to Lodovico Antonio Muratori, 21 January 1739
- M. — Bazin to René Hérault, 21 January 1739
- Voltaire [François Marie Arouet] to Charles Augustin Feriol, comte d’Argental, 21 January 1739