Letter listing for 1740–1749
- Edward Young to Margaret Cavendish Bentinck, duchess of Portland [née Harley], 14 August 1749
- Frederick II, king of Prussia [the Great] to Voltaire [François Marie Arouet], 15 August 1749
- Stanislas I, king of Poland to Voltaire [François Marie Arouet], 15 August 1749
- Gabrielle Émilie de Châtelet-Lomont d’Haraucourt, marquise Du Châtelet-Lomont [née Le Tonnelier de Breteuil] to Jean François de Saint-Lambert, marquis de Saint-Lambert, 15 August 1749
- Samuel Richardson to Astraea Hill and Minerva Hill, 15 August 1749
- Voltaire [François Marie Arouet] to Jeanne Antoinette Le Normant d’Etioles, marquise de Pompadour [née Poisson], c. 15 August 1749
- Voltaire [François Marie Arouet] to Charles Juste de Beauvau, prince de Beauvau-Craon and Marie Sophie de La Tour d’Auvergne, princesse de Beauvau-Craon, c. 15 August 1749
- Alessandro Chiappini to Lodovico Antonio Muratori, 16 August 1749
- Voltaire [François Marie Arouet] to Charles Augustin Feriol, comte d’Argental, 16 August 1749
- Voltaire [François Marie Arouet] to Marie Louise Denis [née Mignot], 16 August 1749
- Voltaire [François Marie Arouet] to Frederick II, king of Prussia [the Great], 17 August 1749
- Thomas Gray to Doctor Thomas Wharton, 19 August 1749
- Claude Adrien Helvétius to Louis Jules Barbon Mancini-Mazarini, duc de Nivernais, 19 August 1749
- Voltaire [François Marie Arouet] to Marie Magdeleine Angélique de La Brousse, comtesse de Verteillac, 20 August 1749
- Philip Dormer Stanhope, 4th earl of Chesterfield to Philip Stanhope, 21 August 1749
