Letter listing for 1740–1749
- Luise Dorothea, Herzogin von Sachsen-Gotha-Altenburg [née von Sachsen-Meiningen] to Frederick II, king of Prussia [the Great], 25 August 1740
- Filippo Argelati to Lodovico Antonio Muratori, 25 August 1740
- Voltaire [François Marie Arouet] to Frederick II, king of Prussia [the Great], 26 August 1740
- Edward Young to Margaret Cavendish Bentinck, duchess of Portland [née Harley], 26 August 1740
- Pietro Ercole Gherardi to Lodovico Antonio Muratori, 27 August 1740
- Edward Young to Judith Reynolds, 28 August 1740
- Voltaire [François Marie Arouet] to Pierre Louis Moreau de Maupertuis, 29 August 1740
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, c. 30 August 1740
- Alexander Pope to Sarah Churchill, duchess of Marlborough [née Jenyns], 1740
- Alexander Pope to Sarah Churchill, duchess of Marlborough [née Jenyns], 1740
- Richard West [junior] to Thomas Gray, 31 August 1740
- Gabrielle Émilie de Châtelet-Lomont d’Haraucourt, marquise Du Châtelet-Lomont [née Le Tonnelier de Breteuil] to père Pierre Robert Le Cornier de Cideville, abbé Cideville, 1 September 1740
- Voltaire [François Marie Arouet] to Frederick II, king of Prussia [the Great], 1 September 1740
- Frederick II, king of Prussia [the Great] to Voltaire [François Marie Arouet], 2 September 1740
- Francesco Brembati, conte Brembati to Lodovico Antonio Muratori, 2 September 1740