Letter listing for 1730–1739
- Voltaire [François Marie Arouet] to Jeanne Françoise Quinault, 17 June 1739
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, c. 19 June 1739
- Frederick II, king of Prussia [the Great] to Nicolas Claude Thieriot, 19 June 1739
- Gabrielle Émilie de Châtelet-Lomont d’Haraucourt, marquise Du Châtelet-Lomont [née Le Tonnelier de Breteuil] to Pierre Louis Moreau de Maupertuis, 20 June 1739
- Ridolfino Venuti, abate Venuti to Lodovico Antonio Muratori, 20 June 1739
- Voltaire [François Marie Arouet] to Frederick II, king of Prussia [the Great], c. 20 June 1739
- René Louis de Voyer de Paulmy d’Argenson, 2nd marquis d’Argenson to Voltaire [François Marie Arouet], 20 June 1739
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, c. 21 June 1739
- Thomas Gray to Dorothy Gray [née Antrobus], 21 June 1739
- Voltaire [François Marie Arouet] to Jean Baptiste de Boyer, marquis d’Argens, 21 June 1739
- Voltaire [François Marie Arouet] to René Louis de Voyer de Paulmy d’Argenson, 2nd marquis d’Argenson, 21 June 1739
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, c. 22 June 1739
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, c. 25 June 1739
- Frederick II, king of Prussia [the Great] and Dietrich von Keyserlingk, graf von Keyserlingk to Voltaire [François Marie Arouet], 26 June 1739
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, c. 27 June 1739