20/1 Notes, n.d./Letter from J.H. Plumb, Christ's College, Cambridge, to Namier, 8 Oct 1957.
20/2 Photocopies, no source, n.d.
20/3 Note: account of Parliamentary debate. [n.d. ?18th century]. Wrapper labelled 'Sir William Meredith'.
20/4 Transcript, (typescript) Nathaniel Ryder, Diary, n.d. Photocopies, no source given, n.d.
20/5 Notes by ?Namier on Isaac Barré, n.d.