^ a b cJean de Venette, The Chronicle of Jean de Venette, translator Jean Birdsall, editor Richard A. Newhall, (Columbia University Press, 1953), 312.
^Wagner 2006, p. 92.
^Bogdan 2007, p. 56.
Sources
Bogdan, Henry (2007). La Lorraine des Ducs (in French). Perrin.
Lalou, Elisabeth; Bautier, Robert Henri; Maillard, François (2007). Itinéraire de Philippe IV le Bel (1285-1314): Introduction (in French). Académie des inscriptions et belles lettres.
Wagner, John A., ed. (2006). "Charles of Blois, Duke of Brittany". Encyclopedia of the Hundred Years War. Greenwood Press.