The defence of Byzantine Africa from Justinian to the Arab Conquest : an account of the military history and archaeology of the African provinces in the sixth and seventh centuries /
Pringle, Denys.
Oxford : John and Erica Hedges,
2001.
Reprinted with minor amendments and corrections and with the addition of an updated bibliography and a general index. -Originally published in 2 vols.: Oxford : B.A.R., 1981.
Fortification