References for Philip 3rd Earl Stanhope * of Chesterfield
F. Freytag v.Loringhoven: Europäische Stammtafeln, Band IV, Tafel 154. Marburg, 1957 (1968)
M.A.H., Marquis de Ruvigny: The Plantagenet roll of the blood royal, Clarence Volume. London, Edinburgh, 1905
F.M.Powicke, E.B.Fryde: Handbook of British Chronology. London, 1961