Letter listing for 1750–1759
- Francis Fauquier to Lords Commissioners of Trade and Foreign Plantations [Board of Trade], 14 July 1759
- Voltaire [François Marie Arouet] to Charles Augustin Feriol, comte d’Argental, 15 July 1759
- Voltaire [François Marie Arouet] to Jean Robert Tronchin and Ami Camp, 16 July 1759
- François de Bussy to Voltaire [François Marie Arouet], 17 July 1759
- Frederick II, king of Prussia [the Great] to Voltaire [François Marie Arouet], 18 July 1759
- Nicolas Antoine Boulanger to Claude Adrien Helvétius, 19 July 1759
- Lords Commissioners of the Admiralty to Francis Fauquier, 20 July 1759
- Voltaire [François Marie Arouet] to Charles Augustin Feriol, comte d’Argental and Jeanne Grâce Bosc Du Bouchet, comtesse d’Argental, 20 July 1759
- Voltaire [François Marie Arouet] to Louise Florence Pétronille La Live, marquise d’Épinay [née Tardieu d'Esclavelles], c. 20 July 1759
- Voltaire [François Marie Arouet] to Stanislas I, king of Poland, c. 20 July 1759
- Thomas Gray to Doctor Thomas Wharton, 21 July 1759
- Voltaire [François Marie Arouet] to Germain Gilles Richard de Ruffey, 21 July 1759
- Voltaire [François Marie Arouet] to Jean Robert Tronchin, 21 July 1759
- Arthur Murphy to David Garrick, 22 July 1759
- Frederick II, king of Prussia [the Great] to Luise Dorothea, Herzogin von Sachsen-Gotha-Altenburg [née von Sachsen-Meiningen], 22 July 1759