during the Hundred Years War," McNair Scholars Journal: Vol. 19 : Iss. 1 , Article 14. Lanhers, Y. (2019). Charles VII | king of France. Retrieved 8 January
Empire: The Men who would be King. Oxford: Oxford University Press. 2016: 130 and 163. ISBN 9780198786924. Psoma, Selene E. War or Trade? Attic-Weight Tetradrachms
University Press. 2016: 89–90. Georges Duby. Guillaume le Maréchal. Le meilleur chevalier du monde. 1984. Warren, W. L. King John. London: Eyre & Spottiswoode
Oxford University Press), 2006, ISBN 0-19-925312-9 Barthélemy, Dominique, Georges Duby , 编, Civilizing the fortress: eleventh to fourteenth century, A History