For Aurelian's walls, see Vopiscus in Hist. August. p. 216, 222. [Aurel. c. 21 and 39.] Zosimus, l. i. [c. 49] p. 43. Eutropius, ix. 15 [9]. Aurel. Victor in Aurelian. Victor Junior in Aurelian. Euseb. Hieronym. et Idatius in Chronic.