Letter listing for 1760–1769
- père André Morellet, abbé Morellet to Jean Charles Philibert Trudaine de Montigny, January 1769
- Jacques Henri Bernardin de Saint-Pierre to [unknown], c. January 1769
- Voltaire [François Marie Arouet] to Françoise Marie Rosette Vestris, 1 January 1769
- Voltaire [François Marie Arouet] to Marie Louise Denis [née Mignot], 1 January 1769
- Voltaire [François Marie Arouet] to Jacques de Rochefort d’Ally, chevalier de Rochefort d’Ally and Jeanne Louise de Rochefort d’Ally [née Pavée de Provenchères], 1 January 1769
- Thomas Gray to Reverend Norton Nicholls, 2 January 1769
- Jean Le Rond d’Alembert to Voltaire [François Marie Arouet], 2 January 1769
- Voltaire [François Marie Arouet] to Gabriel Cramer, 2 January or February 1769
- Jean Jacques Rousseau to Marie Anne Alissan de La Tour [née Merlet de Foussomme], 3 January 1769
- Voltaire [François Marie Arouet] to Joseph Audra, 3 January 1769
- Voltaire [François Marie Arouet] to conte Alessandro Carli, 3 January 1769
- Voltaire [François Marie Arouet] to Louise Bernarde Berthier de Sauvigny [née Durey d'Harnoncourt], 3 January 1769
- Voltaire [François Marie Arouet] to Marie Anne de Vichy-Chamrond, marquise Du Deffand [née de Vichy], 4 January 1769
- Voltaire [François Marie Arouet] to Philippe Antoine de Claris, marquis de Florian and Marie Élisabeth de Dompierre de Fontaine, marquise de Florian [née Mignot], 4 January 1769
- Doctor Richard Price to John Edwards, 5 January 1769