Rebenich 1985, p. 381-383. Rebenich, Stefan (1985). "Gratian, a Son of Theodosius, and the Birth of Galla Placidia". Historia. 34 (3): 372–385. JSTOR4435933.
Rebenich 1985, p. 384. Rebenich, Stefan (1985). "Gratian, a Son of Theodosius, and the Birth of Galla Placidia". Historia. 34 (3): 372–385. JSTOR4435933.