CHAPTER XXIII

Bury, _Later Roman Empire_, i, chs. ii–vi; Bussell, _Roman Empire_, i, bk. ii, chs. ii–iv; bk. iii, ch. i; _Cambridge Medieval History_, i, chs. ix–xvi; Gelzer, H., _Abriss der Byzantinischen Geschichte_, i, _Die vorjustinianische Epoche_; Gibbon, _Decline and Fall_, chs. xxix–xxxix; Lavisse et Rombaud, _Histoire General_, i, chs. ii–iv; Niese, _Geschichte_, pp. 402–21.

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