Letter listing for 1750–1759
- Voltaire [François Marie Arouet] to Charlotte Sophia van Aldenburg, countess of Bentinck, 24 April 1751
- William Pulteney, 1st earl of Bath [4th creation] to Marie Anne de Vichy-Chamrond, marquise Du Deffand [née de Vichy], 25 April 1751
- The Longchamps incident, 1751 by Marc Pierre de Voyer de Paulmy, comte d’Argenson, 25 April 1751
- Marie Louise Denis [née Mignot] to Nicolas René Berryer de Ravenoville, 27 April 1751
- Thomas Gray to Horace Walpole, 4th earl of Orford, 27 April 1751
- Voltaire [François Marie Arouet] to Charles Augustin Feriol, comte d’Argental, 27 April 1751
- Report on a police search by Agnan Philippe Miché de Rochebrune, 29 April 1751
- Report on a police search by Agnan Philippe Miché de Rochebrune, 29 April 1751
- Voltaire [François Marie Arouet] to Johann Heinrich Samuel Formey, 30 April 1751
- Voltaire [François Marie Arouet] to Charlotte Sophia van Aldenburg, countess of Bentinck, 30 April / May 1751
- Voltaire [François Marie Arouet] to Charlotte Sophia van Aldenburg, countess of Bentinck, 30 April / May 1751
- Voltaire [François Marie Arouet] to Charlotte Sophia van Aldenburg, countess of Bentinck, 30 April / May 1751
- [anonymous] to père Guillaume Thomas François Raynal, abbé Raynal, May 1751
- Jean Jacques Rousseau to père Guillaume Thomas François Raynal, abbé Raynal, May 1751
- Police report on Voltaire, 1751, May 1751