Historia Augusta - Tapa blanda

"Historia Augusta" from "Scriptores Historiae Augustae". The Augustan History is a late Roman collection of biographies of the Roman Emperors, their junior colleagues and usurpers of the period 117 to 284. It presents itself as a compilation of works by six different authors (collectively known as the Scriptores Historiae Augustae), written in the reigns of Diocletian and Constantine I.