Letter listing for 1770–1779
- Voltaire [François Marie Arouet] to Maréchal Louis François Armand de Vignerot du Plessis, 3rd duc de Richelieu, 20 January 1777
- Voltaire [François Marie Arouet] to Anne Madeleine Louise Charlotte Auguste Bollioud de Saint-Julien, baronne d’Argental [née de La Tour Du Pin], 20 January 1777
- Voltaire [François Marie Arouet] to Dominique Audibert, c. 20 January 1777
- Corilla Olimpica [Maria Maddelena Morelli Fernandez] to Giovanni Cristofano Amaduzzi, 21 January 1777
- Jeremy Bentham to Sir Samuel Bentham, 22–23 January 1777
- Marie Anne de Vichy-Chamrond, marquise Du Deffand [née de Vichy] to Horace Walpole, 4th earl of Orford, 22 January 1777
- Pierre Augustin Caron de Beaumarchais to Charles Gravier, comte de Vergennes, 23 January 1777
- Louis Joseph de Bourbon, prince de Condé to Voltaire [François Marie Arouet], 23 January 1777
- Jean François René Tabareau to Voltaire [François Marie Arouet], 23 January 1777
- Henri Lambert d’Herbigny, marquis de Thibouville to Voltaire [François Marie Arouet], 24 January 1777
- Voltaire [François Marie Arouet] to Catherine II, czarina of Russia [the Great], 24 January 1777
- Voltaire [François Marie Arouet] to François Louis Claude Marin, 24 January 1777
- Frederick II, king of Prussia [the Great] to Jean Le Rond d’Alembert, 25 January 1777
- Charles Henry Chrétien Rosé to Conseil de régence de Montbéliard, 25 January 1777
- Voltaire [François Marie Arouet] to Anne Madeleine Louise Charlotte Auguste Bollioud de Saint-Julien, baronne d’Argental [née de La Tour Du Pin], 25 January 1777
