References for Edmund 5th Earl, Earl Mortimer * of March * of Ulster

---

J. Dupont, J. Saillot: Cahiers de Saint-Louis. Nantes, Angers, 1976 etc.
M.A.H., Marquis de Ruvigny: The Plantagenet roll of the blood royal, Essex Volume. London, Edinburgh, 1908
A.M.Stokvis: Manuel d'histoire. Amsterdam, 1966