18/1 Notes and transcripts, typescripts and photocopies, n.d.: Add. Mss. [see also 3/2]. Nathaniel Ryder, Diary Minto Mss.; Fortescue Mss.; Abergavenny Mss.; Wyvill Mss.; Lansdowne Mss; Woburn Mss.
18/2 Notes and transcripts (for contents see item 18/1), n.d.
18/3 Notes, (typescript), a draft reply by John Brooke to Butterfield's 'George III and the historians', c.1957/8 [offered to Encounter, but not published.]
18/4 Transcript, (typescript), ?Eng Ms 215, n.d.
18/5 Transcript, (typescript), Dowdeswell Papers, n.d.
18/6 Notes, by Brooke, labelled 'Notes on Court Offices', n.d.
18/7 Notes, by Brooke, re. Add. Mss., n.d.