Note 137
The description of Dara is amply and correctly given by Procopius, (Persic. l. i. c. 10, l. ii. c. 13. De Edific. l. ii. c. 1, 2, 3, l. iii. c. 5.) See the situation in D'Anville, (l'Euphrate et le Tigre, p. 53, 54, 55,) though he seems to double the interval between Dara and Nisibis.]
The History Of The Decline And Fall Of The Roman Empire Fall In The EastChapter 40