Letter listing for 1740–1749
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, c. 1 April 1741
- Voltaire [François Marie Arouet] to Jean Jacques Dortous de Mairan, 1 April 1741
- Voltaire [François Marie Arouet] to Jeanne Françoise Quinault, 1 April 1741
- John Boyle, 5th earl of Cork and Orrery to Jonathan Swift, 2 April 1741
- John Boyle, 5th earl of Cork and Orrery and Alexander Pope to Jonathan Swift, 2 April 1741
- Alexander Pope to Jonathan Swift, 2 April 1741
- Voltaire [François Marie Arouet] to Claude Adrien Helvétius, 3 April 1741
- Voltaire [François Marie Arouet] to Claude Adrien Helvétius, 3 April 1741
- Lodovico Antonio Muratori to Alessandro Chiappini, 4 April 1741
- Nicola Tacoli to Lodovico Antonio Muratori, 4 April 1741
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, c. 5 April 1741
- Voltaire [François Marie Arouet] to Nicolas Claude Thieriot, 6 April 1741
- Voltaire [François Marie Arouet] to Jean Baptiste François Durey de Mesnières, 6 April 1741
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, c. 7 April 1741
- Gabrielle Émilie de Châtelet-Lomont d’Haraucourt, marquise Du Châtelet-Lomont [née Le Tonnelier de Breteuil] to Jean Jacques Dortous de Mairan, 7 April 1741