Letter listing for 1750–1759
- Voltaire [François Marie Arouet] to Claude Étienne Darget, 6 May 1750
- Voltaire [François Marie Arouet] to Frederick II, king of Prussia [the Great], 8 May 1750
- Voltaire [François Marie Arouet] to René Louis de Voyer de Paulmy d’Argenson, 2nd marquis d’Argenson, 9 May 1750
- Voltaire [François Marie Arouet] to Marie Louise Denis [née Mignot], 9 May 1750
- Voltaire [François Marie Arouet] to François de Chennevières, 12 May 1750
- Samuel Richardson to David Graham, 14 May 1750
- Voltaire [François Marie Arouet] to Charles Augustin Feriol, comte d’Argental, c. 15 May 1750
- Voltaire [François Marie Arouet] to Anne Louise Bénédicte de Bourbon, duchesse Du Maine [née de Bourbon-Condé], 16 / 23 May 1750
- Voltaire [François Marie Arouet] to George Lyttelton, 1st Baron Lyttelton of Frankley, 17 May 1750
- Voltaire [François Marie Arouet] to George Lyttelton, 1st Baron Lyttelton of Frankley, 17 May 1750
- Voltaire [François Marie Arouet] to Claire Josèphe Hippolyte Léris de Latude [née Léris], c. 18 May 1750
- Voltaire [François Marie Arouet] to François Thomas Marie de Baculard d’Arnaud, 19 May 1750
- Voltaire [François Marie Arouet] to William Owen, 19 May 1750
- Frederick II, king of Prussia [the Great] to Voltaire [François Marie Arouet], 24 May 1750
- Hermann Woldemar von Schmettau, graf von Schmettau to Voltaire [François Marie Arouet], 24 May 1750