- FondsButler - Samuel Butler Collection
- SeriesSection 8 (VIII) - Miscellaneous papers, formerly the property of or relating to Samuel Butler
- Subseries1 - Box 1
- File3a - Papers relating to Henry Festing Jones's 'Memoir' of Butler ('pieces justificatives')
- 9 more...
- Item10 - 'Powers'
- Item11 - 'Prospectus of the Great Split Society'
- Item12 - Letter from Samuel Butler to his father, dated 26 May [1883]
- Item13 - Letter from Samuel Butler to Revd Mark Wilks, dated 17 May 1881
- Item14 - Letter from R.A. Streatfeild to Henry Festing Jones, dated 12 December 1916
- Item15 - Letter from John D. Enys to Henry Festing Jones, dated 25 January 1903
- Item16 - Letter from Philip J. Worsley to [Henry Festing] Jones, dated 14 June 1903
- Item17 - Letter from Francis Darwin to Henry Festing Jones, dated 1 September 1915
- Item18 - Notecard from the British Embassy in Rome to Henry Festing Jones, dated 8 January 1916[17]