Foord, K: 'A Critique and Comparison of ‘Companion Rolls of the Conquest’, some known as ‘Battle Abbey Rolls’, Battle and District Historical Society, 2019, [3], appendicies at [4], addendum (2021) at [5]
books.google.com
J. Horace Round, Feudal England: Historical Studies of the XIth and XIIth Centuries, London, 1895, p. 489 [1].
dergipark.org.tr
Bliss, A. J.: 'The Companions of the Conqueror’ Litera, vol. III, 1956, [2].