References
- Alcock S E, Bodel J and Talbert R J A, eds. 2012. Highways, Byways, and Road Systems in the Premodern World. New York: Wiley-Blackwell.
- Horden P, and Purcell N. 2000. The Corrupting Sea: A Study of Mediterranean History. Malden, MA: Blackwell Publishing.
- Wilson A, Silver M, Bang PF, Erdkamp P and Morley N. 2012. “A Forum on Trade,” in Scheidel W, ed., The Cambridge Companion to the Roman Economy. Cambridge: Cambridge University Press, 287–320.