Contamine, Ph. “L’art De La Guerre Selon Philippe De Clèves, Seigneur De Ravenstein (1456-1528). Innovation Ou Tradition?”. BMGN - Low Countries Historical Review 95, no. 2 (January 1, 1980): 363–376. Accessed February 8, 2023. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-102334.