References for John 1st Duke Manners * of Rutland
Sir B.Burke: Burke's Peerage and Baronetage. London, 1999
M.A.H., Marquis de Ruvigny: The Plantagenet roll of the blood royal, ? Volume. 1905/1908
F.M.Powicke, E.B.Fryde: Handbook of British Chronology. London, 1961