References to the Barony of North Cadbury, the district, history, etc., to the Lordship of Blakewell in Devon and to the Lordship of Trenewith and Trewithgy in Cornwall
C.A. Ralegh Radford and Michael J. Swanton: Arthurian Sites in the West; University of Exeter 1975.
Richard Tabor: Cadbury Castle - The Hillford and Landscapes. The History Press 2011.
Domesday Book - A Survey of the Counties of England. Compiled by direction of King William I. Winchester 1086.
Andrew May: Bloody British History Somerset. The History Press 2012.
Rev. W. Phelps: The History and Antiquities of Somersetshire; being a general and parochial survey of that interesting county; Vol. I. 1836.
Leslie Alcock: 'By South Cadbury is that Camelot...' Excavations at Cadbury Castle 1966-70. Thames and Hudson, London 1972.
Leslie Alcock: Camelot - Die Festung des König Artus? Ausgrabungen in Cadbury Castle 1966-70. Gustav Lübbe Verlag, Bergisch Gladbach 1974.
Lucy Toulmin Smith (ed.): Leland's Itinerary, Vol. I. London 1964.
Paul Latimer: Rebellion in south-western England and the Welsh marches 1215–17. Institute of Historical Research 2006.
Sam Miller and Bridget Laver: The Archive Photographs Series - Castle Cary, North Cadbury and Wincanton. The Chalford Publishing Company 1997.
Sidney Lanier (ed.): The Boy's King Arthur. Charles Scribner's Sons, New York 1945.
R.F. Treharne: The Glastonbury Legends. The Cresset PressLtd., London 1967.
Arthur Mee (ed.): The King's England - Somerset, Country of Romantic Splendour. Hodder and Stoughton, London 1948.
G.W. and J.H. Wade: The Little Guides: Somerset (1907). Revised by Maxwell Fraser 1949.
Norris J. Lacy (ed.): The New Arthurian Encyclopedia. St James Press, Chicago and London 1991.
Donald Maxwell: Unknown Somerset. John Lane 'The Bodley Head' (publisher). Jarrold and Sons Ltd., Norwich 1927.
W.R. Richmond: The Story of Somersetshire. Wake and Dean c.1905.
The Victoria County History of the Counties of England - A History of the County of Somerset, Volume XI: Queen Camel and the Cadburys. University of London 2015.
S.W. Miller: From Parsons Quarter to Purgatory - A History of North Cadbury, Galhampton and Woolston (three villages - one parish). Castle Cary Press 1988.
Calendar of Inquisitions Post Mortem: Volume 19, Henry IV. Originally published by Her Majesty's Stationery Office, London, 1992.
John Burke,Esq. & John Bernard Burke, Esq.: Burke's Genealogical and Heraldic History of the Landed Gentry, Vol. II. 1847.
John Burke Esq.: A Genealogical and Heraldic History of the Landed Gentry; Or, Commoners of Great Britain and Ireland etc., Vol. IV. 1853.
C.S. Gilbert: An Historical Survey of the County of Cornwall: To which is added a complete heraldry ..., Volume 2, Part 1. 1820.
Davies Gilbert: The Parochial History of Cornwall: Founded on the Manuscript Histories of Mr. Hals and Mr. Tonkin; with Additions and Various Appendices, Vol. 2 & 3. 1838.
Douglas Richardson: Plantagenet Ancestry: A Study In Colonial And Medieval Families, 2nd Edition, 2011.
Richard Stephen Charnock: Patronymica Cornu-Britannica. 1870.
References to the British Titles System
David Nicoll: Buying Manorial Titles in England: a simple guide to the pitfalls. 4th Edition 2017.
F.W. Maitland, LL.D.: The Constitutional History of England. Cambridge University Press 1908.
Elizabeth Wyse (ed.): Debrett's Handbook. Debrett's Limited London 2014.
P.W. Montague-Smith (ed.): Debrett's Peerage, Baronetage, Knightage and Companionage 1964.
I.J. Sanders: English Baronies - A Study of their Origin and Descent 1086-1327. Oxford 1960.
A.W. & C. Barsby: Manorial Law. 1996
Sir James Lawrence: On the Nobility of the British Gentry, or the Political Rank and Dignities of the British Empire. 1828
Sidney Painter: Studies in the History of the English Feudal Barony. The John Hopkins Press 1943.
William Courthope, Esq.: The Historic Peerage of England. London 1857.
References to Heraldry
Arthur Charles Fox-Davies: A Complete Guide to Heraldry. Thomas Nelson and Sons Ltd. 1954.
Werner Leonhard: Das große Buch der Wappenkunst. Weltbild Verlag GmbH, Augsburg 2003.
Arthur G.M. Hesilrige: Debrett's Heraldry. Dean & Son Limited, London 1914.
Heinrich Hußmann: Deutsche Wappenkunst. Insel-Verlag, Leipzig 1942.
Fairbairn's Book of Crests of the Families of Great Britain and Ireland; Vol. I & II. London & Edinburgh 1905.
John E. Cussans: Handbook of Heraldry. London 1882.
Charles Boutell, M.A.: The Handbook to English Heraldry. London 1914.
Stephen Slater: The Illustrated Book of Heraldry. Anness Publishing Ltd. 2013.
James Dallaway, A.M.: Inquiries into the Origin and Progress of the Science of Heraldry in England. Gloucester 1793.
Gottfried Neubecker: Wappenkunde. Orbis Verlag 2002.
Münchner Wappen Herold: Wappenrolle Münchner Herold, Band XIII. München 2015.