Brown 1959, p. 268 Brown, Reginald Allen (April 1959), "A List of Castles, 1154–1216", The English Historical Review, 74 (291), Oxford University Press: 249–280, doi:10.1093/ehr/lxxiv.291.249, JSTOR558442
Brown 1959, p. 252 Brown, Reginald Allen (April 1959), "A List of Castles, 1154–1216", The English Historical Review, 74 (291), Oxford University Press: 249–280, doi:10.1093/ehr/lxxiv.291.249, JSTOR558442
Painter 1935, p. 322 Painter, Sidney (1935), "English Castles in the Early Middle Ages: Their Number, Location, and Legal Position", Speculum, 10 (3): 321–332, doi:10.2307/2848384, ISSN0038-7134
Brown 1959, p. 268 Brown, Reginald Allen (April 1959), "A List of Castles, 1154–1216", The English Historical Review, 74 (291), Oxford University Press: 249–280, doi:10.1093/ehr/lxxiv.291.249, JSTOR558442
Brown 1959, p. 252 Brown, Reginald Allen (April 1959), "A List of Castles, 1154–1216", The English Historical Review, 74 (291), Oxford University Press: 249–280, doi:10.1093/ehr/lxxiv.291.249, JSTOR558442
Painter 1935, p. 322 Painter, Sidney (1935), "English Castles in the Early Middle Ages: Their Number, Location, and Legal Position", Speculum, 10 (3): 321–332, doi:10.2307/2848384, ISSN0038-7134