Letter listing for 1740–1749
- 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
- Voltaire [François Marie Arouet] to Charles Augustin Feriol, comte d’Argental, 21 August 1749
- Voltaire [François Marie Arouet] to Anne Marie Fiquet Du Boccage [née Le Page], 21 August 1749
- Agreement for the publication of Salmon's Tradesman's dictionary by Thomas Salmon and Robert Dodsley, 22 August 1749
- Nicola Tacoli to Lodovico Antonio Muratori, 22 August 1749
- Voltaire [François Marie Arouet] to Charles Augustin Feriol, comte d’Argental and Jeanne Grâce Bosc Du Bouchet, comtesse d’Argental, 23 August 1749
- Voltaire [François Marie Arouet] to Marie Louise Denis [née Mignot], 23 August 1749
- Lodovico Antonio Muratori to Cardinal Fortunato Tamburini, 26 August 1749