Letter listing for 1740–1749
- 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
- Frederick II, king of Prussia [the Great] to Voltaire [François Marie Arouet], 13 February 1749
- Gabrielle Émilie de Châtelet-Lomont d’Haraucourt, marquise Du Châtelet-Lomont [née Le Tonnelier de Breteuil] to François Jacquier, 13 February 1749
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, 14 February 1749
- Gabrielle Émilie de Châtelet-Lomont d’Haraucourt, marquise Du Châtelet-Lomont [née Le Tonnelier de Breteuil] to Johann Bernoulli, II, 15 February 1749
- Gabrielle Émilie de Châtelet-Lomont d’Haraucourt, marquise Du Châtelet-Lomont [née Le Tonnelier de Breteuil] to M. — de Roncières, 15 February 1749