Frank Barlow, «Roger of Howden», , vol. 65 (1950). David Corner, «The Earliest Surviving Manuscripts of Roger of Howden's », , vol. 98 (1983). David Corner, «The and of Roger, Parson of HowdenBulletin of the Institute of Historical research, vol. 56 (1983). John Gillingham, «Roger of Howden on Crusade», i (London, 1994). D. M. Stenton, «Roger of Howden and Benedict», , vol. 68 (1958).