Correspondence and notes on research for The House of Lords in the Middle Ages by JEP and Keith Wallis. Correspondents include: Sir Nikolaus Pevsner; Tony Benn [earlier Anthony Wedgwood Benn and 2nd Lord Stansgate]; Sir Winston Churchill, to Benn, on his sympathy at Benn's wish to renounce his peerage; Maurice Bond, Clerk of the Records, House of Lords; Roger Mynors [Corpus Christi Professor of Latin Language and Literature, Oxford University]; David Douglas, Professor of History, University of Bristol.

Also includes: note on the roses of York and Lancaster; rough notes by JEP; typescripts of articles by JEP on the House of Lords, including A Critical Division in the Lords, 1733; House of Commons Library bibliography on the House of Lords; paper on the possibility of reform of the House of Lords by 28th Lord Dunboyne [earlier Patrick Butler]; paper on the origin and rights of Irish peers by [?] 19th Lord Dunsany [earlier Randal Plunkett].