Jelaskan Catatan dari Kordiene

The History of the Decline and Fall of the Roman Empire, Vol. 2, Chapter XXIV, Part IV, The Retreat and Death of Julian], by Edward Gibbon.

History of Rome, The Establishment of the Military Monarchy, oleh Theodor Mommsen, halaman 24.

History of the Later Roman Empire, oleh J. B. Bury, Bab IV.

The Seven Great Monarchies Of The Ancient Eastern World, Vol 7:  The Sassanian or New Persian Empire, 1871, oleh George Rawlinson.