| Pauly-Wissowa Realencyclopaedie der Classischen Altertumswissen-schaft . Stuttgart: Alfred Druckenmueller Verlag, 1893.
|
| Salmon, E. T. The Making of Roman Italy . Ithaca: Cornell University Press, 1982.
|
| Scullard, H. H. From the Gracchi to Nero . New York: Routledge, 1991.
|
| Scullard, H. H. A History of the Roman World 753 to 146 B.C. New York: Routledge, 1992.
|
| Scullard, H. H. Roman Britain, Outpost of the Empire . London: Thames and Hudson, 1991.
|
| Sherwin-White, A. N. ''The Roman Citizenship." In Aufstieg und Niedergang der Römischen Welt . New York: Walter de Gruyter, 1972.
|
| Syme, Ronald. The Roman Revolution . New York: Oxford University Press, 1939.
|
| Tarn, W. W. Hellenistic Civilisation . London: Edward Arnold, 1947.
|
| Walbank, F. W. The Hellenistic World . Cambridge: Harvard University Press, 1981.
|
| Wolff, Hans Julius. Roman Law: An Historical Introduction . Norman: University of Oklahoma Press, 1951.
|
|