4 surviving letters between Kurillos and Libanius, spanning 375-385 AD.
To Κυρίλλῳ. (361)
You gave your order to one who serves gladly.
Marcianus, on whose behalf I write, is my fellow citizen, an old friend, no stranger to letters, and he has a son...
Eutropius, who is coming to you, knows that you will be a friendly and willing host, given how highly you regard his...