12/1 Transcripts, (typescript), extracts from works by Namier, n.d.
12/2 Transcript, (typescript), Memoires et documents Angleterres, n.d.
12/3 Notes and transcripts: Add. Mss. [see also 3/2]/Papers of the Second Duke of Newcastle/Freud[?].
12/4 Notes, (typescript) lists of MPs, n.d.
12/5 Notes and transcripts n.d.: Jenkinson/Robinson Correspondence (Add. Mss.)/Montgomery Mss.
12/6 Notes/transcript, annotated, 'First chapters of Eric Robson's uncompleted Life of Pitt', n.d.
12/7 Notes and transcripts, n.d. Report of Elections, Sussex.
- Times Literary Supplement
- unidentified notes
- Nathaniel Ryder's Diary
- notes on Duke of Richmond
- Letters of the First Earl of Malmesbury
- Authentic memoirs and sketches of the real character of the Late Right Honourable Richard Rigsby
- Letter to Henry Fox, Lord Holland
Box 12/8 Notes and transcripts n.d.: Autobiography of Edward Gibbon, ed. John Murray Dartmouth Mss ; The last journals of Horace Walpole; Add. Mss.; Harcourt Papers; Notes on Simon Luttrell, John Luttrell, Henry Lawes Luttrell; Chatham Papers; Grenville Papers; Knox Mss.;Ramsden Mss. ;unidentified photocopies and notes.
12/9 Notes on Gibbon, n.d.
12/10 Specimen page for the History of Parliament.
12/11 Notes: House of Lords attendance list n.d.; Rainham Mss.;Townshend Papers.; Grafton Mss. Buccleuch Mss. Lady Mary Coke, Journal; Wentworth Woodhouse Muniments. Dalkeith Papers.