II. The Provinces and Municipalities
Arnold, W. T., Shuckburgh, E. S., The Roman System of Provincial Administration. Oxford and New York, 1914.
Liebenam, W., Städteverwaltung im römischen Kaiserreiche. Leipzig, 1900.
Marquardt, J., Römische Staatsverwaltung, vol. I. Leipzig, 1881.
Mommsen, Th., The Provinces of the Roman Empire from Caesar to Diocletian (Translation by W. P. Dickson). 2 vols. New York, 1909.
Reid, J. S., The Municipalities of the Roman Empire. Cambridge, England, 1913.
III. Political Institutions
Abbott, F. F., A History and Description of Roman Political Institutions. Boston, 1911.3
Botsford, G. W., The Roman Assemblies. New York, 1909.
Hirschfield, O., Die kaiserlichen Verwaltungsbeamten bis auf Diocletian. Berlin, 1905.2