Letter listing for 1780–1789
- William Cowper to Doctor Josiah Dornford, 21 June 1789
- père André Morellet, abbé Morellet to William Petty, 1st marquess of Lansdowne [2nd earl of Shelburne], 22 June 1789
- Pierre Augustin Caron de Beaumarchais to Peter Elmsly, 23 June 1789
- William Cowper to Harriot Hesketh, Lady Hesketh [née Cowper], 23 June 1789
- Betsy LeFanu [née Sheridan] to Alicia LeFanu [née Sheridan], 24 June 1789
- Arthur Murphy to Richard Hodge, 25 June 1789
- Doctor James Gregory to Thomas Reid, 25 June 1789
- Prescription for lotion for warts by Doctor James Gregory, 25 June 1789
- Arthur Murphy to Richard Hodge, 27 June 1789
- Sir William Scott, Baron Stowell to Thomas Warton, 29 June 1789
- Catherine Dorothée de Saint-Pierre to Jacques Henri Bernardin de Saint-Pierre, 30 June 1789
- Catherine Dorothée de Saint-Pierre to Jacques Henri Bernardin de Saint-Pierre, 30 June 1789 [translation from French into modernized French]
- Comments on the introduction to James Gregory’s Philosophical and literary essays by Thomas Reid, c. 1789
- Comments on James Gregory’s unpublished “Essay towards an investigation of the exact import and extent of the common notion of the relation of cause and effect in physics, and of the real nature of that relation” by Thomas Reid, c. 1789
- Comments on the manuscript of James Gregory’s “Essay on the difference between the relation of motive and action, and that of cause and effect, in physics: on physical and mathematical principles” by Thomas Reid, c. 1789