Letter listing for 1770–1779
- Frederick II, king of Prussia [the Great] to Voltaire [François Marie Arouet], 1 June 1777
- Voltaire [François Marie Arouet] to Charles Augustin Feriol, comte d’Argental, 2 June 1777
- Voltaire [François Marie Arouet] to Anne Madeleine Louise Charlotte Auguste Bollioud de Saint-Julien, baronne d’Argental [née de La Tour Du Pin], 2 June 1777
- Thomas Warton to Jane Warton, 2 June 1777
- Jeremy Bentham to Jeremiah Bentham, 3 June 1777
- Jeremy Bentham to Sir Samuel Bentham, 3 June 1777
- Georges Louis Le Sage, fils to Reverend Pierre Prévost, 3 June 1777
- père André Morellet, abbé Morellet to William Petty, 1st marquess of Lansdowne [2nd earl of Shelburne], 3 June 1777
- Corilla Olimpica [Maria Maddelena Morelli Fernandez] to Giovanni Cristofano Amaduzzi, 3 June 1777
- Voltaire [François Marie Arouet] to Jean François de La Harpe, 4 June 1777
- Voltaire [François Marie Arouet] to Jean de Vaines, 4 June 1777
- Thomas Cory to Joshua Peele, 5 June 1777
- Pierre Louis Claude Gin to Voltaire [François Marie Arouet], 5 June 1777
- Voltaire [François Marie Arouet] to Nicolas Joseph Sélis, c. 5 June 1777
- Voltaire [François Marie Arouet] to Maréchal Louis François Armand de Vignerot du Plessis, 3rd duc de Richelieu, 6 June 1777
