A History of Rome to 565 A. D.
CHAPTER VIII
Cavaignac, _Histoire_, vol. iii, bk. iii, chs. i, iv–vi; De Sanctis, _Storia_, iii, 1–2; Frank, _Roman Imperialism_, chs. vi–vii; Ferguson, W. S., _Greek Imperialism_, chs. v–vii; Gsell, S., _Histoire ancienne de l’Afrique du nord_, vols. i, ii, iii; Heitland, _Roman Republic_, vol. i, chs. xxi–xxvi; Mommsen, _History_, bk. iii, chs. i–vi; Niese, _Geschichte_, pp. 96–126.