Letter listing for 1740–1749
- Grant to the Ohio Company by Lords Commissioners of Trade and Foreign Plantations [Board of Trade] for Ohio Company, 12 July 1749
- Voltaire [François Marie Arouet] to Charles Augustin Feriol, comte d’Argental, 13 July 1749
- Frederick II, king of Prussia [the Great] to Voltaire [François Marie Arouet], 15 July 1749
- Lorenzo Brunassi, duca di San Filippo to Lodovico Antonio Muratori, 15 July 1749
- Lodovico Antonio Muratori to Cardinal Fortunato Tamburini, 15 July 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, 16 July 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, 16 July 1749
- Voltaire [François Marie Arouet] to Marie Louise Denis [née Mignot], 16 July 1749
- Voltaire [François Marie Arouet] to Jeanne Catherine Gaussin, 16 July 1749
- Pietro Ercole Gherardi to Lodovico Antonio Muratori, 17 July 1749
- Pietro Ercole Gherardi to Lodovico Antonio Muratori, 19 July 1749
- Voltaire [François Marie Arouet] to Charles Augustin Feriol, comte d’Argental and Jeanne Grâce Bosc Du Bouchet, comtesse d’Argental, c. 20 July 1749
- Edward Young to Samuel Richardson, 20 July 1749
- Voltaire [François Marie Arouet] to François Thomas Marie de Baculard d’Arnaud, 21 July 1749
- Edward Young to Caroline Haviland [née Lee], 21 July 1749
