Letter listing for 1770–1779
- Adam Ferguson to David Hume, 6 June 1774
- Marie Anne de Vichy-Chamrond, marquise Du Deffand [née de Vichy] to Horace Walpole, 4th earl of Orford, 6 June 1774
- Voltaire [François Marie Arouet] to Marie Anne de Vichy-Chamrond, marquise Du Deffand [née de Vichy], 6 June 1774
- Voltaire [François Marie Arouet] to Marie Anne de Vichy-Chamrond, marquise Du Deffand [née de Vichy], 6 June 1774
- Voltaire [François Marie Arouet] to Jean Baptiste Nicolas de Lisle, chevalier de L’Isle, 6 June 1774
- Jeremy Bentham to Sir Samuel Bentham, 8 June 1774
- Voltaire [François Marie Arouet] to Frederick II, landgrave of Hesse-Cassel, 8 June 1774
- Voltaire [François Marie Arouet] to Anne Madeleine Louise Charlotte Auguste Bollioud de Saint-Julien, baronne d’Argental [née de La Tour Du Pin], 8 June 1774
- Voltaire [François Marie Arouet] to David Louis Constant de Rebecque, seigneur d’Hermenches, 11 June 1774
- Voltaire [François Marie Arouet] to Jean Baptiste Nicolas de Lisle, chevalier de L’Isle, 11 June 1774
- Voltaire [François Marie Arouet] to François Louis Claude Marin, 11 June 1774
- Voltaire [François Marie Arouet] to Jacques de Rochefort d’Ally, chevalier de Rochefort d’Ally, 11 June 1774
- Voltaire [François Marie Arouet] to Gaspard Henry Schérer, 11 June 1774
- Voltaire [François Marie Arouet] to Joseph Vasselier, 11 June 1774
- Voltaire [François Marie Arouet] to Gaspard Henry Schérer, 12 June 1774
