Letter listing for 1740–1749
- Philip Dormer Stanhope, 4th earl of Chesterfield to Philip Stanhope, 21 January 1749
- Voltaire [François Marie Arouet] to Charles Augustin Feriol, comte d’Argental and Jeanne Grâce Bosc Du Bouchet, comtesse d’Argental, 21 January 1749
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, 22 January 1749
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, 25 January 1749
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, 25 January 1749
- Pietro Ercole Gherardi to Lodovico Antonio Muratori, 25 January 1749
- Cardinal Fortunato Tamburini to Lodovico Antonio Muratori, 25 January 1749
- Voltaire [François Marie Arouet] to Claude Étienne Darget, 26 January 1749
- Voltaire [François Marie Arouet] to Frederick II, king of Prussia [the Great], 26 January 1749
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, 27 January 1749
- Alessandro Chiappini to Lodovico Antonio Muratori, 27 January 1749
- John Gilbert Cooper to Robert Dodsley, 27 January 1749
- Jean Jacques Rousseau to Françoise Louise Eléonore de La Tour, baronne de Warens, 27 January 1749
- Lodovico Antonio Muratori to Alessandro Chiappini, 29 January 1749
- Françoise Paule Huguet de Graffigny [née d’Issembourg Du Buisson d’Happoncourt] to François Antoine Devaux, 31 January 1749