Letter listing for 1740–1749
- Voltaire [François Marie Arouet] to Jean Jacques Dortous de Mairan, 5 February 1749
- Alessandro Chiappini to Lodovico Antonio Muratori, 6 February 1749
- Voltaire [François Marie Arouet] to Nicolas René Berryer de Ravenoville, c. 6 February 1749
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, 7 February 1749
- Maréchal Louis François Armand de Vignerot du Plessis, 3rd duc de Richelieu to Voltaire [François Marie Arouet], 8 February 1749
- Nicolas René Berryer de Ravenoville to Voltaire [François Marie Arouet], 8 February 1749
- Pietro Ercole Gherardi to Lodovico Antonio Muratori, 8 February 1749
- Voltaire [François Marie Arouet] to Georg Conrad Walther, 8 February 1749
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, 9 February 1749
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, 9 February 1749
- Lodovico Antonio Muratori to Alessandro Chiappini, 9 February 1749
- Edward Young to Margaret Cavendish Bentinck, duchess of Portland [née Harley], 9 February 1749
- Edward Young to Caroline Haviland [née Lee], 9 February 1749
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, 10 February 1749
- Charles Louis de Secondat, baron de Montesquieu to Claude Adrien Helvétius, 11 February 1749
