Historia Augusta, Volume IIIThe Historia Augusta is a biographical work roughly following the model of the imperial biographer Suetonius (LCL 31, 38) and covering the lives of the Roman emperors from Hadrian (r. 117138) to Carinus (r. 283285), with a lacuna between the lives of the Gordians and the Valerians. Although the work comes down to us as a collection of thirty books written by six different authors, it is now generally considered to be the creation of a single