Letter listing for 1840–1849
- Anna Laura Georgina Galloni d’Istria [laterly Tardy; née Tighe] to Mary Wollstonecraft Shelley [née Godwin], 4 April 1841
- John Phillips to Reverend William Venables Vernon Harcourt, 6 July 1841
- Caroline Lucretia Herschel to Lady Margaret Brodie Herschel [née Stewart], 31 July 1841
- Caroline Lucretia Herschel to Lady Margaret Brodie Herschel [née Stewart], 2 August 1841
- Lady Margaret Brodie Herschel [née Stewart] to Caroline Lucretia Herschel, 9 August 1841
- Reverend William Venables Vernon Harcourt to Sir Robert Peel, baronet, 6 November 1841
- Clara Mary Jane Clairmont to Mary Wollstonecraft Shelley [née Godwin], 23 November 1841
- John Phillips to Reverend William Venables Vernon Harcourt, 27 December 1841
- Caroline Lucretia Herschel to Lady Margaret Brodie Herschel [née Stewart], 3 February 1842
- Caroline Lucretia Herschel to Lady Margaret Brodie Herschel [née Stewart], 3 March 1842
- John Phillips to Reverend William Venables Vernon Harcourt, 23 May 1842
- Caroline Lucretia Herschel to Lady Margaret Brodie Herschel [née Stewart], 2 June 1842
- Sir Roderick Impey Murchison to Reverend William Venables Vernon Harcourt, 3 June 1842
- Caroline Lucretia Herschel to Lady Margaret Brodie Herschel [née Stewart], 7 July 1842
- Clara Mary Jane Clairmont to Mary Wollstonecraft Shelley [née Godwin], 12 July 1842