a fictional agens in the late 4th century. See also Travel in Classical antiquity Notes References N. J. E. Austin and N. B. Rankov, Exploratio; Military and Political Intelligence in the Roman World from the Second Punic War to the Battle of Adrianople Glen Warren Bowersock, Peter Brown, Oleg Grabar, Late Antiquity: A Guide to the Postclassical World sv "Agens in rebus" Ancient Roman government Late Roman Empire political office-holders Defunct intelligence agencies Secret police Government of the Byzantine Empire