The historians' history of the world in twenty-five volumes, volume 06
CHAPTER XXXII.
[b] GEORG WEBER, _op. cit._
[c] CAIUS SUETONIUS TRANQUILLUS, _The Lives of the Twelve Cæsars_ (translated from the Latin by A. Thomson).
[d] THOMAS ARNOLD, _History of the Later Roman Commonwealth_.
[e] VICTOR GARDTHAUSEN, _op. cit._