Entry on Severus (Lucius Septimius Severus), Roman emperor from The Columbia Encyclopedia, Sixth Edition.
Photographs of busts of the Emperor Septimius Severus.
Details about this emperor who reigned from AD 193 to AD 211.
Article about this Roman ruler from Wikipedia.
Provides an overview of the life and reign of the Roman Emperor Septimius Severus.
Entry on this Emperor from the Catholic Encyclopedia.