John Mowbray, 3rd Duke of Norfolk (English Wikipedia)

Given-Wilson et al. 2005a. Given-Wilson, C.; Brand, P.; Phillips, S.; Ormrod, M.; Martin, G.; Curry, A.; Horrox, R., eds. (2005a). "'Introduction: Henry VI: July 1433'". British History Online. Parliament Rolls of Medieval England. Woodbridge. Archived from the original on 17 February 2018. Retrieved 17 February 2018.
Given-Wilson et al. 2005b. Given-Wilson, C.; Brand, P.; Phillips, S.; Ormrod, M.; Martin, G.; Curry, A.; Horrox, R., eds. (2005b). "'Henry VI: November 1459'". British History Online. Parliament Rolls of Medieval England. Woodbridge. Archived from the original on 18 February 2018. Retrieved 18 February 2018.
Shakespeare and History 2018. Shakespeare and History (2018). "John Mowbray, Duke of Norfolk". Shakespeare and History. Archived from the original on 23 February 2018. Retrieved 23 February 2018.

british-history.ac.uk

Given-Wilson et al. 2005a. Given-Wilson, C.; Brand, P.; Phillips, S.; Ormrod, M.; Martin, G.; Curry, A.; Horrox, R., eds. (2005a). "'Introduction: Henry VI: July 1433'". British History Online. Parliament Rolls of Medieval England. Woodbridge. Archived from the original on 17 February 2018. Retrieved 17 February 2018.
Given-Wilson et al. 2005b. Given-Wilson, C.; Brand, P.; Phillips, S.; Ormrod, M.; Martin, G.; Curry, A.; Horrox, R., eds. (2005b). "'Henry VI: November 1459'". British History Online. Parliament Rolls of Medieval England. Woodbridge. Archived from the original on 18 February 2018. Retrieved 18 February 2018.
HMSO 2023. HMSO (2023) [1975]. "Monumental Heraldry in Dorset | British History Online". www.british-history.ac.uk.

doi.org

Orme 1984, p. 125. Orme, N. (1984). "The Education of Edward V". Historical Research. 57: 119–130. doi:10.1111/j.1468-2281.1984.tb02237.x. OCLC 300188139.
Orme 1984, p. 122. Orme, N. (1984). "The Education of Edward V". Historical Research. 57: 119–130. doi:10.1111/j.1468-2281.1984.tb02237.x. OCLC 300188139.
Rose 2006, pp. 53–54. Rose, J. A. (2006). "Litigation and Political Conflict in Fifteenth-Century East Anglia: Conspiracy and Attaint Actions and Sir John Fastolf". Journal of Legal History. 27: 53–80. doi:10.1080/01440360600601896. OCLC 709978800.
Beadle 2002, p. 113. Beadle, R. (2002). "Fifteenth-century Political Verses From the Holkham Archives". Medium Ævum. 71: 101–121. doi:10.2307/43630392. OCLC 67118740.
Beadle 2002, p. 110. Beadle, R. (2002). "Fifteenth-century Political Verses From the Holkham Archives". Medium Ævum. 71: 101–121. doi:10.2307/43630392. OCLC 67118740.
Fiehler 1949, p. 364. Fiehler, R. (1949). "I Serve the Good Duke of Norfolk". Modern Language Quarterly. 10: 364–366. doi:10.1215/00267929-10-3-364. OCLC 924728310.

folger.edu

Henry IV, Part 2 3.2/26–28, Folger Shakespeare Library

oxforddnb.com

Richmond 2004. Richmond, C. (2004). "Mowbray, John, third duke of Norfolk (1415–1461)". Oxford Dictionary of National Biography. Oxford: Oxford University Press. Retrieved 17 February 2017.
Archer 2004c. Archer, R. E. (2004c). "Mowbray, John, second duke of Norfolk (1392–1432), magnate". Oxford Dictionary of National Biography. Oxford University Press. Retrieved 17 February 2017.
Stansfield 2004. Stansfield, M. M. N. (2004). "Holland, Edmund, seventh earl of Kent (1383–1408)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. Retrieved 3 March 2017. (Subscription or UK public library membership required.)
Archer 2004a. Archer, R. E. (2004a). "Neville, Katherine, duchess of Norfolk (c.1400–1483)". Oxford Dictionary of National Biography. Oxford: Oxford University Press. Retrieved 17 February 2017.
Archer 2004b. Archer, R. E. (2004b). "Chaucer [married names Phelip, Montagu, de la Pole], Alice, duchess of Suffolk(c. 1404–1475)". Oxford Dictionary of National Biography. Oxford University Press. Retrieved 17 February 2017.
Watts 2004. Watts, J. (2004). "Richard of York, third duke of York (1411–1460)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. Retrieved 17 February 2017. (Subscription or UK public library membership required.)
Kathman 2004. Kathman, D. (2004). "Fabell, Peter (fl. 15th cent.)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. Retrieved 10 March 2018. (Subscription or UK public library membership required.)

shakespeareandhistory.com

Shakespeare and History 2018. Shakespeare and History (2018). "John Mowbray, Duke of Norfolk". Shakespeare and History. Archived from the original on 23 February 2018. Retrieved 23 February 2018.

worldcat.org

search.worldcat.org

Squibb 1959, p. 1. Squibb, G. D. (1959). The High Court of Chivalry: A Study of the Civil Law in England. Oxford: Clarendon Press. OCLC 504278136.
Archer 1984b, p. 168. Archer, R. E. (1984b). The Mowbrays: Earls of Nottingham and Dukes of Norfolk to 1432 (D.Phil thesis). University of Oxford. OCLC 638691892.
Virgoe 1980, p. 263. Virgoe, R. (1980). "The murder of James Andrew: Suffolk faction in the 1430s". Proceedings of the Suffolk Institute ofArchaeology and History. 34: 263–268. OCLC 679927444.
Orme 1984, p. 125. Orme, N. (1984). "The Education of Edward V". Historical Research. 57: 119–130. doi:10.1111/j.1468-2281.1984.tb02237.x. OCLC 300188139.
Orme 1984, p. 122. Orme, N. (1984). "The Education of Edward V". Historical Research. 57: 119–130. doi:10.1111/j.1468-2281.1984.tb02237.x. OCLC 300188139.
Archer 1984b, p. 103. Archer, R. E. (1984b). The Mowbrays: Earls of Nottingham and Dukes of Norfolk to 1432 (D.Phil thesis). University of Oxford. OCLC 638691892.
Archer 1984b, p. 116. Archer, R. E. (1984b). The Mowbrays: Earls of Nottingham and Dukes of Norfolk to 1432 (D.Phil thesis). University of Oxford. OCLC 638691892.
Virgoe 1980, p. 264. Virgoe, R. (1980). "The murder of James Andrew: Suffolk faction in the 1430s". Proceedings of the Suffolk Institute ofArchaeology and History. 34: 263–268. OCLC 679927444.
Rose 2006, pp. 53–54. Rose, J. A. (2006). "Litigation and Political Conflict in Fifteenth-Century East Anglia: Conspiracy and Attaint Actions and Sir John Fastolf". Journal of Legal History. 27: 53–80. doi:10.1080/01440360600601896. OCLC 709978800.
Giles 1845, p. lv. Giles, J. A., ed. (1845). The Chronicles of the White Rose of York: A Series of Historical Fragments, Proclamations, Letters, and Other Contemporary Documents Relating to the Reign of King Edward the Fourth. London: James Bohn. OCLC 319939404.
Beadle 2002, p. 113. Beadle, R. (2002). "Fifteenth-century Political Verses From the Holkham Archives". Medium Ævum. 71: 101–121. doi:10.2307/43630392. OCLC 67118740.
Beadle 2002, p. 110. Beadle, R. (2002). "Fifteenth-century Political Verses From the Holkham Archives". Medium Ævum. 71: 101–121. doi:10.2307/43630392. OCLC 67118740.
Bogner 2006, p. 4. Bogner, G. (2006). "Alchemists, Pirates, and Pilgrims: Towards a Revised Model of English Knighthood in the Lancastrian Era". The Ricardian. 16: 1–8. OCLC 906456722.
Kaufman 2004, p. 67. Kaufman, A. L. (2004). "To Write: Sir Thomas Malory and his Cautionary Narrative of Legitimation". Enarratio. 11: 61–88. OCLC 984788270.
Scofield 1923, p. 162. Scofield, C. L. (1923). The Life and Reign of Edward the Fourth, King of England and of France and Lord of Ireland. Vol. I. London: Longmans, Green. & Co. OCLC 1011868853.
Kaufman 2004, p. 68. Kaufman, A. L. (2004). "To Write: Sir Thomas Malory and his Cautionary Narrative of Legitimation". Enarratio. 11: 61–88. OCLC 984788270.
Fiehler 1949, p. 364. Fiehler, R. (1949). "I Serve the Good Duke of Norfolk". Modern Language Quarterly. 10: 364–366. doi:10.1215/00267929-10-3-364. OCLC 924728310.