Note 544 — Chapter VII · THE CASTLES OF THE NORMANS IN ENGLAND (continued 2)
Reading edition
“Apud Rokingham liberavimus Philippo Marco ad faciendam turrim quam dominus Rex precepit fieri in Mota de Notingham 100 marcas quas burgenses de Notingham et Willelmus Fil. Baldwini dederunt domino Regi pro benevolencia sua habenda.” In Cole’s Documents Illustrative of English History, 235. There is some reason to think that John instead of building the cylindrical keeps which were then coming into fashion, reverted to the square form generally followed by his father.