Letter listing for 1790–1799
- Hester Lynch Piozzi [formerly Mrs Thrale; née Salusbury] to Hester Maria Elphinstone, Viscountess Keith [née Thrale], Susannah Arabella Thrale, Sophia Hoare [née Thrale], Cecilia Margaretta Mostyn [née Thrale], 23 March 1793
- Hester Maria Elphinstone, Viscountess Keith [née Thrale], Susannah Arabella Thrale, Sophia Hoare [née Thrale], Cecilia Margaretta Mostyn [née Thrale] to Hester Lynch Piozzi [formerly Mrs Thrale; née Salusbury], 24–31 March 1793
- Rosalie de Constant to Jacques Henri Bernardin de Saint-Pierre, 26 March 1793
- William Cowper to Samuel Rose, 27 March 1793
- Jacques Henri Bernardin de Saint-Pierre to Rosalie de Constant, 27 March 1793
- François Noël Babeuf to Pierre Sylvain Maréchal, 28 March 1793
- William Cowper to Joseph Johnson, 28 March 1793
- William Cowper to Joseph Hill, 29 March 1793
- Jacques Henri Bernardin de Saint-Pierre to Antoine Laurent de Jussieu, 29 March 1793
- M. — Billion to Jacques Henri Bernardin de Saint-Pierre, 30 March 1793
- William Cowper to Samuel Teedon, 30 March 1793
- William Cowper to William Hayley, 1 April 1793
- Thomas Law to Jeremy Bentham, 1 April 1793
- Hester Lynch Piozzi [formerly Mrs Thrale; née Salusbury] to Penelope Sophia Pennington [née Weston], 2 April 1793
- Jacques Henri Bernardin de Saint-Pierre to Félicité de Saint-Pierre [née Didot], c. 2 April 1793
