Rev. and enl. ed. of: De krijgskunst in West-Europa in de Middeleeuwen, IXe tot begin XIVe eeuw published in 1954.
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The art of warfare in Western Europe during the Middle Ages : from the eighth century to 1340 by J. F. Verbruggen. ISBN 0851156304. Published by Boydell Press in 1997. Publication and catalogue information, links to buy online and reader comments.
