Letter listing for 1800–1809
- Caroline Stéphanie Félicité de Genlis, comtesse de Genlis [née du Crest de Saint-Aubin] to Margaret Chinnery [née Tresillian], 14 July 1807
- Johann Georg Adam von Starhemberg, graf von Starhemberg to Casimir Baecker, 15 July 1807
- Pierre Étienne Louis Dumont to Jeremy Bentham, 15 July 1807
- Sophia Hoare [née Thrale] to Gabriel Piozzi, 21 July 1807
- Colonel John Macleod to Margaret Chinnery [née Tresillian], 23 July 1807
- Jacques Henri Bernardin de Saint-Pierre to Marguerite Charlotte Désirée de Saint-Pierre [née de Pelleporc], 23 July 1807
- Richard Brinsley Sheridan to William Huskisson, 25 July 1807
- Casimir Baecker to Margaret Chinnery [née Tresillian], c. 30 July 1807
- Jacques Henri Bernardin de Saint-Pierre to Marguerite Charlotte Désirée de Saint-Pierre [née de Pelleporc], 31 July 1807
- Jeremy Bentham to Sir Samuel Bentham, c. August 1807 [now missing]
- père André Morellet, abbé Morellet to Pierre Louis Roederer, comte Roederer, August 1807
- Sophia Hoare [née Thrale] to Hester Lynch Piozzi [formerly Mrs Thrale; née Salusbury], 1 August 1807
- Jacques Henri Bernardin de Saint-Pierre to Marguerite Charlotte Désirée de Saint-Pierre [née de Pelleporc], 1 August 1807
- Caroline Stéphanie Félicité de Genlis, comtesse de Genlis [née du Crest de Saint-Aubin] to Casimir Baecker, 2 August 1807
- Caroline Stéphanie Félicité de Genlis, comtesse de Genlis [née du Crest de Saint-Aubin] to Margaret Chinnery [née Tresillian], 5 August 1807