An Online Encyclopedia of Roman Emperors

De Imperatoribus Romanis: An Online Encyclopedia of Roman Emperors "Welcome to De Imperatoribus Romanis, a web site which simply allows its users to retrieve short biographical essays of all the Roman emperors from the accession of the Emperor Augustus to the death of the Emperor Constantine XI Palaeologus. Each essay on this site,which is peer reviewed, is written by a scholar and is accompanied by a bibliography,illustrations, and footnotes". [Rome] [Political Resources]

Link: http://www.roman-emperors.org/