Letter listing for 1750–1759
- John Petty, 1st earl of Shelburne [née FitzMaurice] to Adam Smith, 26 April 1759
- Pierre Valleré to François Antoine Devaux, 26 April 1759
- Balance-sheet of Voltaire’s loan to Saxe-Gotha, April 1759 by Voltaire [François Marie Arouet] and Jean Louis Labat, baron de Grandcour, 26 April 1759
- John Stuart, 3rd earl of Bute to George Garrick, 27 April 1759
- William Henry Lyttelton to Francis Fauquier, 27 April 1759
- Jean Jacques Rousseau to François Coindet, 27 April 1759
- Philip Dormer Stanhope, 4th earl of Chesterfield to Philip Stanhope, 27 April 1759
- Frederick II, king of Prussia [the Great] to Voltaire [François Marie Arouet], 28 April 1759
- Luise Dorothea, Herzogin von Sachsen-Gotha-Altenburg [née von Sachsen-Meiningen] to Voltaire [François Marie Arouet], 28 April 1759
- Jean Jacques Rousseau to Théodore Tronchin, 28 April 1759
- Lieutenant-general John Stanwix to Francis Fauquier, 28 April 1759
- Orlando de Lorenzy, chevalier de Lorenzy to Jean Jacques Rousseau, 29 April 1759
- Charles Theodore von Sulzbach, Elector Palatine to Voltaire [François Marie Arouet], 29 April 1759
- Voltaire [François Marie Arouet] to Sébastien Dupont, 29 April 1759
- Voltaire [François Marie Arouet] to Luise Dorothea, Herzogin von Sachsen-Gotha-Altenburg [née von Sachsen-Meiningen], 29 April 1759