Military technology and garrison organization : some observations on Anglo-Saxon military thinking in light of the Burghal Hidage / Bernard S. Bachrach and Rutherford Aris.
Abstract:
'One such rare piece of evidence [concerning military units in the Middle Ages] that provides highly reliable quantification data is the Burghal Hidage, a document that was drawn up in Anglo-Saxon England ...'
Technology and culture Vol. 31 (1990), p. 1-17