The Oxford Classical Dictionary. Simon Hornblower and Antony Spawforth, ed. Third Edition.  London: Oxford University Press, 1996.

Duncan-Jones, Richard. The Economy of the Roman Empire: Quantitative Studies.  Second Edition.  Cambridge: Cambridge University Press, 1982.

Jones, A.H.M. Cities of the Eastern Roman Provinces. Second Edition.  London: Oxford University Press, 1971.

Kondoleon, Christine, ed. Antioch: The Lost Ancient City.  Princeton: Princeton University Press, 2000.

Rich, John, ed. The City in Late Antiquity.  London and New York: Routledge Press, 1992.

Scarre, Chris. The Penguin Historical Atlas of Ancient Rome.  London, New York, Victoria, Toronto & Auckland: Penguin Books, 1995.