2007. Potter, David S. The Roman Empire at Bay: AD 180–395. New York: Routledge, 2005. Hardcover Paperback Rees, Roger. Layers of Loyalty in Latin Panegyric: AD 289–307. New York: Oxford University Press, 2002. Southern, Pat. The Roman Empire from Severus to Constantine. New York: Routledge, 2001. Williams, Stephen. Diocletian and the Roman Recovery. New York: Routledge, 1997. External links A Detailed Chronology of the Tetrarchy until 324 AD 3rd-century births 310 deaths 3rd-century Roman emperors 4th-century Roman emperors Ancient Romans who committed suicide Aurelii Caesars (heirs apparent) Constantinian dynasty Damnatio memoriae Deified Roman emperors Illyrian people Imperial Roman consuls People from Sirmium Tetrarchy Valerii Roman emperors to suffer posthumous denigration or damnatio memoriae Roman pharaohs Illyrian emperors