Some time, doubtless, elapsed before the sovereignty of Cyrus was acknowledged by all Persia; but, once his lordship over this land was an accomplished fact, he naturally became known as king primarily of the Persians, and only secondarily of the Medes, while his seat remained at Susa in his own original elamite realm.
"The Ancient East"
D. G. Hogarth
Vashti and Hamman, the biblical Haman, were names of elamite deities.
"The Makers and Teachers of Judaism"
Charles Foster Kent
The loss of Canaan and the fall of the Babylonian empire seem to have been due to the conquest of Babylon by a tribe of elamite mountaineers.
"Early Israel and the Surrounding Nations"
Archibald Sayce