CHAPTER XVI

Arnold, W. T., _Studies in Roman Imperialism_, chs. i–ii; v. Domazewski, _Geschichte der römischen Kaiser_, i, pp. 1–250; Ferrero, _Greatness and Decline_, vol. v; Gardthausen, _Augustus und seine Zeit_; Greenidge, _Public Life_, ch. x; Hirschfeld, O., _Die Organization der drei Gallien durch Augustus_, _Beitr. zur alten Gesch._, 1907; McFayden, D., _The Princeps and the Senatorial Provinces_, _Class. Phil._, XVI; Meyer, Ed., _Kaiser Augustus_, in _Kleine Schriften_, pp. 441 ff.; Niese, _Geschichte_, pp. 276–304; Pelham, _Essays on Roman History_, iv and v; Schiller, H., _Geschichte der röm. Kaiserzeit_, bk. ii, ch. i, §§ 25–31; Stuart Jones, H., _The Roman Empire_, ch. i; Van Nostrand, J. J., _The Reorganization of Spain by Augustus_.