Letter listing for 1770–1779
- Doctor Richard Price to John Cartwright, 2 April 1776
- Voltaire [François Marie Arouet] to Frederick II, king of Prussia [the Great], 2 April 1776
- Hugh Blair to Adam Smith, 3 April 1776
- Voltaire [François Marie Arouet] to M. — Coindé, 3 April 1776
- Voltaire [François Marie Arouet] to Marie Jean Antoine Nicolas de Caritat, marquis de Condorcet, 3 April 1776
- Voltaire [François Marie Arouet] to Pierre Samuel Du Pont de Nemours, 3 April 1776
- Voltaire [François Marie Arouet] to Jean de Vaines, 3 April 1776
- Étienne Jules Gastebois Desnoyers to Charles Gravier, comte de Vergennes, 4 April 1776
- Voltaire makes a gift to Mme Denis, April 1776 by M. — Dutems and Augustin Millon-Dailly, 4 April 1776
- père André Morellet, abbé Morellet to Anne Robert Jacques Turgot, baron de l’Aulne, 4 April 1776
- Anne Louise Élie de Beaumont [née Dumesnil-Morin] to Voltaire [François Marie Arouet], 5 April 1776
- Notice concerning training of minute companies by Edmund Pendleton and Committee of Safety of Virginia, 5 April 1776
- Voltaire [François Marie Arouet] to Charles Augustin Feriol, comte d’Argental, 5 April 1776
- Voltaire [François Marie Arouet] to Anne Madeleine Louise Charlotte Auguste Bollioud de Saint-Julien, baronne d’Argental [née de La Tour Du Pin], 5 April 1776
- Voltaire [François Marie Arouet] to Gaspard Henry Schérer, 5 April 1776
