Harfield, C. G. (1991), «A Hand-list of Castles Recorded in the Domesday Book», English Historical Review, 106 (419): 373, 380, 384, doi:10.1093/ehr/CVI.CCCCXIX.371
Sillem, ed. (1936). Records of Some Sessions of the Peace in Lincolnshire: 1360–1375. Col: Publications of the Lincoln Record Society. XXX. Lincoln: Lincoln Record Society. OCLC29331375