Brown P. Power and Persuasion in Late Antiquity: Towards a Christian Empire. Madison, 1992. Ch. 3; Idem. The World of Late Antiquity, 200–750. L., 1971; Kelly C. Empire Building // Late Antiquity: A Guide to the Postclassical World / Ed. by G.W. Bowersock, P. Brown, O. Grabar. 1999. P. 186; Van Dam R. Leadership and Community in Late Antique Gaul. Berkeley, 1985. P. 300.