Note 441 — X The Struggle of John and Longchamp (1191)
Reading edition
So great, indeed, is the difficulty of forcing them into accordance with Dr. Stubbs’ view, that he himself makes them all four refer to a single surrender of Nottingham and Tickhill (Preface to Rog. Hov. III. lvii., lviii.; cf. p. lxiii.), and assigns the Mortimer incident to the earlier campaign, though it is described by Richard of Devizes, who ex hypothesi is narrating the later one.