4 surviving letters between Libanius and Patriarch, correspondent of Libanius, spanning 388-390 AD.
Libanius reassures the Patriarch that he has not been persuaded by the people wronging him.
Libanius presses the Patriarch again to help Ammonilla.
Libanius asks the patriarch to receive Philippianus as a friend.
Libanius asks that Euthymius, a capable advocate with an empty purse, receive help.