Suétone / Dion Cassius / Aelius Spartianus / Julius Capitolinus / Lampride / Vulcatius Gallicanus / Trebellius Pollio / Flavius Vopiscus / Leonardo Bruni / Aurelius Victor / Eutrope / Paul Diacre / Ammien Marcellin / Giulio Pomponio Leto / Giovanni Battista Egnazio |