4 surviving letters between Libanius and Philagrius, sophist, spanning c. 322–330.
I was glad to receive your sons.
The horn of Amalthea [a mythological symbol of abundance and good fortune] has arrived in your province: Eutherius,...
I saw Dositheus after a long time, and he was pale.
The uncertainty is resolved -- you no longer receive contradictory reports, one saying that the excellent Elpidius...