Our authorities for the reign of Theodoric I. are, Jornandes de Rebus Geticis, c. 34, 36, and the Chronicles of Idatius and the two Prospers, inserted in the Historians of France, tom. i. p. 612-640. To these we may add Salvian de Gubernatione Dei, l. vii. p. 243, 244, 245, and the Panegyric of Avitus by Sidonius.