Letter listing for 1740–1749
- Frederick II, king of Prussia [the Great] to Voltaire [François Marie Arouet], 21 October 1740
- John Boyle, 5th earl of Cork and Orrery to Alexander Pope, 21 October 1740
- Gabriel Jacques de Salignac, marquis de La Mothe-Fénelon to Cardinal André Hercule de Fleury, 21 October 1740
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, c. 22 October 1740
- Gabrielle Émilie de Châtelet-Lomont d’Haraucourt, marquise Du Châtelet-Lomont [née Le Tonnelier de Breteuil] to Pierre Louis Moreau de Maupertuis, 22 October 1740
- M. — de Palme to Voltaire [François Marie Arouet], 24 October 1740
- Jean Jacques Rousseau to Françoise Louise Eléonore de La Tour, baronne de Warens, 24 October 1740
- Edward Young to Margaret Cavendish Bentinck, duchess of Portland [née Harley], 24 October 1740
- George Faulkner to John Boyle, 5th earl of Cork and Orrery, 25 October 1740
- Alexander Pope to Ralph Allen, 25 October 1740
- Voltaire [François Marie Arouet] to Frederick II, king of Prussia [the Great], 25 October 1740
- Voltaire [François Marie Arouet] to Pierre Louis Moreau de Maupertuis, 25 October 1740
- Edward Young to Judith Reynolds, 25 October 1740
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, c. 26 October 1740
- Frederick II, king of Prussia [the Great] to Voltaire [François Marie Arouet], 26 October 1740