References for Henry 2nd Earl Manners * of Rutland
Sir B.Burke: The Dormant and Extinct Peerage. London, 1866
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