Letter listing for 1750–1759
- Charlotte Bourette [née Reynier] to Voltaire [François Marie Arouet], c. 30 June 1751
- Robert Dodsley to Joseph Spence, 30 June 1751
- Claude Adrien Helvétius to Marie Thérèse de Larlan de Kercadio, comtesse de Rochefort [née de Brancas], 30 June 1751
- Voltaire [François Marie Arouet] to conte Francesco Algarotti, 1751
- Voltaire [François Marie Arouet] to conte Francesco Algarotti, 1751
- Voltaire [François Marie Arouet] to conte Francesco Algarotti, 1751
- Voltaire [François Marie Arouet] to conte Francesco Algarotti, 1751
- Voltaire [François Marie Arouet] to conte Francesco Algarotti, 1751
- Voltaire [François Marie Arouet] to conte Francesco Algarotti, 1751
- Voltaire [François Marie Arouet] to conte Francesco Algarotti, 1751
- Voltaire [François Marie Arouet] to Charlotte Sophia van Aldenburg, countess of Bentinck, 1751
- Voltaire [François Marie Arouet] to Frederick II, king of Prussia [the Great], 1751
- Voltaire [François Marie Arouet] to conte Francesco Algarotti, 1751
- Voltaire [François Marie Arouet] to conte Francesco Algarotti, 1751
- Voltaire [François Marie Arouet] to [unknown], 1751