Jan Frans Verbruggen, The Art of Warfare in Western Europe during the Middle Ages from the Eight Century to 1340, 2d edition, revised and enlarged, translated by S. Willard and R.W. Southern, 1997

Sommé Monique. Jan Frans Verbruggen, The Art of Warfare in Western Europe during the Middle Ages from the Eight Century to 1340, 2d edition, revised and enlarged, translated by S. Willard and R.W. Southern, 1997. In: Revue du Nord, tome 91, n°331, Juillet-septembre 1999. pp. 632-633