The art of warfare in Western Europe during the Middle Ages : from the eighth century to 1340 /
Verbruggen, J. F.
Woodbridge : Boydell Press,
1997.
Rev. and enl. ed. of: De krijgskunst in West-Europa in de Middeleeuwen, IXe tot begin XIVe eeuw published in 1954
Military art and science
Military history, Medieval.