Letter listing for 1790–1799
- David Scott to The Honourable the Court of Directors of the East India Company, 19 February 1799
- Affidavit confirming the author’s lack of “interest” in any house of trade in Europe or in India by David Scott for The Honourable the Court of Directors of the East India Company, 19 February 1799
- Pierre Augustin Caron de Beaumarchais to Pierre-Charles-Louis Baudin, 20 February 1799
- Address to the American citizens, “on the present state of our country” by Edmund Pendleton, 20 February 1799
- Hester Lynch Piozzi [formerly Mrs Thrale; née Salusbury] to Reverend Leonard Chappelow, c. 20 February 1799
- Adam Ferguson to Sir John Macpherson, Baronet Macpherson of Calcutta and Lauriston, 21 February 1799
- Mme Veuve Didot to Jacques Henri Bernardin de Saint-Pierre, 23 February 1799
- Edmund Pendleton to Thomas Jefferson, 24 February 1799
- Jacques Henri Bernardin de Saint-Pierre to Mme Veuve Didot, 24 February 1799
- Jacques Henri Bernardin de Saint-Pierre to André Basile Le Danois de la Soisière, 25 February 1799 [now missing]
- David Scott to Henry Dundas, 1st Viscount Melville, March 1799
- Richard Brinsley Sheridan to Henrietta Frances Ponsonby, countess of Bessborough [née Spencer], 1 March 1799
- Richard Brinsley Sheridan to trustees of Drury Lane Theatre, 1 March 1799
- Adam Ferguson to Sir John Macpherson, Baronet Macpherson of Calcutta and Lauriston, 2 March 1799
- Adam Ferguson to Sir John Macpherson, Baronet Macpherson of Calcutta and Lauriston, 4 March 1799