References for John 3rd Duke, Earl, 9th Lord (Baron), 10th Lord (Baron) de Mowbray * of Norfolk * of Nottingham * Mowbray * Segrave

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Sir B.Burke: The Dormant and Extinct Peerage. London, 1866
Sir B.Burke: Burke's Peerage and Baronetage. London, 1999
F.M.Powicke, E.B.Fryde: Handbook of British Chronology. London, 1961