Letter listing for 1750–1759
- Luise Dorothea, Herzogin von Sachsen-Gotha-Altenburg [née von Sachsen-Meiningen] to Voltaire [François Marie Arouet], 16 January 1759
- Charles Bonnet to Count Carl de Geer, 16 January 1759
- Voltaire [François Marie Arouet] to Heinrich Anton von Beckers, baron von Beckers, 16 January 1759
- Voltaire [François Marie Arouet] to Cosimo Alessandro Collini, 16 January 1759
- Voltaire [François Marie Arouet] to Louise Suzanne Gallatin [née Vaudenet], 16 January 1759
- Voltaire [François Marie Arouet] to Louise Suzanne Gallatin [née Vaudenet], 16–17 January 1759
- Caroline Louise Baden-Durlach, margravine of Baden-Durlach [née von Hessen-Darmstadt] to Voltaire [François Marie Arouet], 17 January 1759
- Voltaire [François Marie Arouet] to Charles de Brosses, baron de Montfalcon, 17 January 1759
- Voltaire [François Marie Arouet] to Jean Robert Tronchin, 17 January 1759
- Thomas Gray to William Mason, 18 January 1759
- Louis François de Paule Le Fèvre d’Ormesson de Noiseau to Jean Omer Joly de Fleury, c. 18 January 1759
- Antoine Marin Lemierre to Voltaire [François Marie Arouet], 18 January 1759
- Lords Commissioners of Trade and Foreign Plantations [Board of Trade] to Francis Fauquier, 18 January 1759
- Lords Commissioners of Trade and Foreign Plantations [Board of Trade] to George II, king of Great Britain and Ireland, 18 January 1759
- Laurent Angliviel de La Beaumelle to Pierre Louis Moreau de Maupertuis, 19 January 1759