Letter listing for 1770–1779
- Jean François de La Harpe to Troupe des Comédiens-français, 7 April 1779
- Promissory note for sale of tickets at the Comédie-française by Jean François de La Harpe for M. — Bellot, 7 April 1779
- René Louis de Girardin, marquis de Girardin to Pierre Alexandre Du Peyrou, 8 April 1779
- Pierre Augustin Caron de Beaumarchais to Jean Frédéric Phélypeaux, comte de Maurepas, 9 April 1779
- Giovanni Cristofano Amaduzzi to Corilla Olimpica [Maria Maddelena Morelli Fernandez], 10 April 1779
- Pierre Augustin Caron de Beaumarchais to Jean Frédéric Phélypeaux, comte de Maurepas, 11 April 1779
- William Cowper to Joseph Hill, 11 April 1779
- Marie Anne de Vichy-Chamrond, marquise Du Deffand [née de Vichy] to Horace Walpole, 4th earl of Orford, 12 April 1779
- Administration des fonds du Port Louis to Jacques Henri Bernardin de Saint-Pierre, 14 April 1779
- Marie Jeanne Roland, vicomtesse de La Platière [née Phlipon] to Marie Sophie Caroline Cannet, 14 April 1779
- Société typographique de Genève to Pierre Alexandre Du Peyrou, 15 April 1779
- Jeremy Bentham to Sir Samuel Bentham, 16–17 April 1779
- Giovanni Cristofano Amaduzzi to Corilla Olimpica [Maria Maddelena Morelli Fernandez], 17 April 1779
- Marie Anne de Vichy-Chamrond, marquise Du Deffand [née de Vichy] to Horace Walpole, 4th earl of Orford, 18 April 1779
- Corilla Olimpica [Maria Maddelena Morelli Fernandez] to Giovanni Cristofano Amaduzzi, 19 April 1779