Letter listing for 1740–1749
- Voltaire [François Marie Arouet] to Frederick II, king of Prussia [the Great], 28 January 1741
- Voltaire [François Marie Arouet] to Jean Baptiste Simon Sauvé, 28 January 1741
- Edward Young to Margaret Cavendish Bentinck, duchess of Portland [née Harley], 29 January 1741
- Voltaire [François Marie Arouet] to père Bonaventure Moussinot, abbé Moussinot, 30 January 1741
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, c. 31 January 1741
- Frederick II, king of Prussia [the Great] to Voltaire [François Marie Arouet], 31 January 1741
- Lodovico Antonio Muratori to Alessandro Chiappini, 31 January 1741
- Edward Young to Margaret Cavendish Bentinck, duchess of Portland [née Harley], mid February 1741
- Andrew Michael Ramsay, chevalier Ramsay to Gabrielle Émilie de Châtelet-Lomont d’Haraucourt, marquise Du Châtelet-Lomont [née Le Tonnelier de Breteuil], 1 February 1741
- Voltaire [François Marie Arouet] to Charles Augustin Feriol, comte d’Argental, 2 February 1741
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, c. 3 February 1741
- Alexander Pope to John Boyle, 5th earl of Cork and Orrery, 3 February 1741
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, c. 4 February 1741
- Alexander Pope to David Mallet, 5 February 1741
- Samuel Richardson to Aaron Hill, 1741