Letter listing for 1780–1789
- William Cowper to John Newton, 29 June 1783
- Louis Bernard Guyton de Morveau to Richard Kirwan, 30 June 1783
- Edmund Pendleton to James Madison [junior] and Joseph Jones, 30 June 1783
- Marie Jeanne Riccoboni [née de Heurles Laboras de Mezières] to Sir Robert Liston, July 1783
- Marie Jeanne Riccoboni [née de Heurles Laboras de Mezières] to Sir Robert Liston, July 1783
- Jean François Bassompierre to Société typographique de Neuchâtel, 1 July 1783
- Corilla Olimpica [Maria Maddelena Morelli Fernandez] to Giovanni Cristofano Amaduzzi, 1 July 1783
- père André Morellet, abbé Morellet to William Temple Franklin, 2 July 1783
- père André Morellet, abbé Morellet to William Petty, 1st marquess of Lansdowne [2nd earl of Shelburne], 4 July 1783
- père André Morellet, abbé Morellet to William Petty, 1st marquess of Lansdowne [2nd earl of Shelburne], 4 July 1783
- Corilla Olimpica [Maria Maddelena Morelli Fernandez] to Giovanni Cristofano Amaduzzi, 7 July 1783
- Jeremy Bentham to Jeremiah Bentham, 8 July 1783
- Jacques Pierre Brissot de Warville to Jeremy Bentham, 8 July 1783
- Jeremy Bentham to Jeremiah Bentham, 10 July 1783
- Report upon a contested election in 1780 by Andrew Stuart of Torrance, 10 July 1783
