(en) Peter John Glover, Le Livere de Reis de Brittanie, Londres, Longman, Green, Reader & Dyer, (lire en ligne).
(en) William Beresford, A history of the manor of Beresford, in the county of Stafford, Leek, Staffordshire, W. Eaton, (lire en ligne).
(en) Sir Reginald Hardy, A history of the parish of Tatenhill in the county of Stafford, Londres, Harrison and Sons, (lire en ligne).
(en) Robert Scott Fittis, Sports and pastimes of Scotland, Paisley, Alexander Gardner, (lire en ligne).
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(en) W.M. Fergusson Irvine, A history of the family of Holland of Mobberley and Knutsford in the country of Chester, Édimbourg, Ballantyne Press, (lire en ligne), p. 11.
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(en) Book review : Tutbury Castle, British Association of Local History (lire en ligne [archive du ]).
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(en) Boroughbridge campaign, UK Battlefields Resource Centre, (lire en ligne).
(en) Appendix V : Lists of battles considered for the Register, Battlefields Trust, (lire en ligne), « Conflict in the Pre-Industrial Landscape ».
(en) George Henry Tupling, South Lancashire in the Reign of Edward II, Manchester, The Chetham Society, (lire en ligne), p. 33.
(en) James Conway Davies, Baronial Opposition to Edward II : Its Character and Policy, Abingdon, UK, Frank Cass, , 644 p. (ISBN978-0-7146-1466-3, lire en ligne), p. 503.
(en) James Conway Davies, Baronial Opposition to Edward II : Its Character and Policy, Abingdon, Frank Cass, , 644 p. (ISBN978-0-7146-1466-3, lire en ligne), p. 504.
(en) George Henry Tupling, South Lancashire in the Reign of Edward II, Manchester, The Chetham Society, (lire en ligne), p. 34.
british-history.ac.uk
(en) Nigel J. Tringham, A History of the County of Stafford: Volume 9: Burton-upon-Trent – General History, Victoria County History, (lire en ligne).
(en) Nigel J. Tringham, A History of the County of Stafford: Volume 9: Burton-upon-Trent – Communications, Victoria County History, (lire en ligne).
(en) A History of the County of Stafford : Volume 3 : The Abbey of Burton (lire en ligne), « Victoria County History ».
burtonmail.co.uk
(en) Cheryl Smith, « Plea for Help with History Mystery », Burton Mail, (lire en ligne).
(en) Kim Briscoe, « Robin Hood Was Here », Burton Mail, (lire en ligne).
doi.org
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(en) J.R. Maddicott, « Thomas of Lancaster and Sir Robert Holland : a study in noble patronage », English Historical Review, vol. 86, , p. 449–472 [463] (DOI10.1093/ehr/LXXXVI.CCCXL.449, lire en ligne).
(en) J.R. Maddicott, « Thomas of Lancaster and Sir Robert Holland : a study in noble patronage », English Historical Review, vol. 86, , p. 449–472 [468] (DOI10.1093/ehr/LXXXVI.CCCXL.449, lire en ligne).
(en) J.R. Maddicott, « Thomas of Lancaster and Sir Robert Holland : a study in noble patronage », English Historical Review, vol. 86, , p. 449–472 [463] (DOI10.1093/ehr/LXXXVI.CCCXL.449, lire en ligne).
(en) J.R. Maddicott, « Thomas of Lancaster and Sir Robert Holland : a study in noble patronage », English Historical Review, vol. 86, , p. 449–472 [468] (DOI10.1093/ehr/LXXXVI.CCCXL.449, lire en ligne).
web.archive.org
(en) Staffordshire & Stoke on Trent Archive Service, From Time 2 Time, Staffordshire County Council, (lire en ligne), chap. 10.
(en) Book review : Tutbury Castle, British Association of Local History (lire en ligne [archive du ]).