Letter listing for 1750–1759
- Voltaire [François Marie Arouet] to René Louis de Voyer de Paulmy d’Argenson, 2nd marquis d’Argenson, 15 February 1750
- Voltaire [François Marie Arouet] to Charles Augustin Feriol, comte d’Argental and Jeanne Grâce Bosc Du Bouchet, comtesse d’Argental, 15 February 1750
- J. S. Bernard sells Voltaire an annuity, 1750 by Guillaume Claude de Laleu and Jean François Lescuyer, 17 February 1750
- Voltaire [François Marie Arouet] to Charles Hyacinthe Des Issarts, marquis de Gallean, 19 February 1750
- Frederick II, king of Prussia [the Great] to Voltaire [François Marie Arouet], 20 February 1750
- Pierre Claude Nivelle de La Chaussée to père Jean Bernard Le Blanc, abbé Le Blanc, 21 February 1750
- Voltaire [François Marie Arouet] to François de Chennevières, 21 February 1750
- Voltaire [François Marie Arouet] to Marie Louise Denis [née Mignot], 28 February 1750
- Voltaire [François Marie Arouet] to Michel Lambert, 28 February / March 1750
- Robert Dodsley to Reverend Doctor Thomas Birch, 7 March 1750
- Agreement for the publication of Warton's and Pitt's translation of The Works of Virgil (1753) by Reverend Doctor Joseph Warton and Robert Dodsley, 7 March 1750
- John Gilbert Cooper to Robert Dodsley, 25–26 February 1750
- Voltaire [François Marie Arouet] to René Louis de Voyer de Paulmy d’Argenson, 2nd marquis d’Argenson, 10 March 1750
- Edward Young to Margaret Cavendish Bentinck, duchess of Portland [née Harley], 10 March 1750
- Jean Jacques Rousseau to Françoise Louise Eléonore de La Tour, baronne de Warens, 12 March 1750