Letter listing for 1790–1799
- Monsieur Deladreue, l’ainé to Pierre Augustin Caron de Beaumarchais, 24 September 1797
- Proposed memorial concerning the glebe lands of the Episcopal church by Edmund Pendleton and parishioners of Saint Asaph parish in Caroline County, Virginia for lower house of the Virginia General Assembly [Virginia House of Burgesses / Virginia House of Delegates], 25 September 1797
- Catherine Dorothée de Saint-Pierre to Jacques Henri Bernardin de Saint-Pierre, 25 September 1797
- Catherine Dorothée de Saint-Pierre to Jacques Henri Bernardin de Saint-Pierre, 25 September 1797 [translation from French into modernized French]
- Adam Ferguson to Sir John Macpherson, Baronet Macpherson of Calcutta and Lauriston, 26 September 1797
- Pierre Augustin Caron de Beaumarchais to Monsieur Deladreue, l’ainé, 27 September 1797
- Jeremy Bentham to Arthur Young, 30 September 1797
- Jeremy Bentham to [an unnamed] society, 30 September 1797
- Adam Ferguson to Reverend Alexander Carlyle, October 1797–January 1798
- Marie Thérèse Levasseur [née Renout] to Nicolas Louis François de Neufchâteau, comte de Neufchâteau, October 1797
- Alexander Mackenzie to Roderic Mackenzie, October / December 1797
- Petition by Reverend George W. Spierin, Edmund Pendleton, John Baylor, Mungo Roy, John G. Woolfolk, Charles Woolfolk, Charles Todd, James Thornton, Anthony Thornton, Edmund Pendleton, junior for Virginia General Assembly, c. October 1797
- Hester Lynch Piozzi [formerly Mrs Thrale; née Salusbury] to Hester Maria Elphinstone, Viscountess Keith [née Thrale], Susannah Arabella Thrale and Sophia Hoare [née Thrale], 1 October–14 November 1797
- Richard Brinsley Sheridan to John Grubb, 1 October 1797
- Adam Ferguson to Reverend Alexander Carlyle, 2 October 1797