JUSTINIAN
[b] EDWARD GIBBON, _op. cit._
[c] HENRY H. HOWORTH, “The Westerly Drifting of Nomads” in _Journal of
Anthropological Institute, Vol. V_.
[d] AMMIANUS MARCELLINUS, _The Roman History of Ammianus Marcellinus_
(translated from the Latin by C. D. Yonge).
[e] J. B. BURY, _A History of the Later Roman Empire_.