6 surviving letters between Nilus of Ancyra and Philagrius, spanning 415 AD.
“To Philagrius the Presbyter.”
“To the Same Person.”
“To Philagrius the Reader [anagnostes, a lector in minor orders].”
“To Philagrius the Proteuon [a leading citizen and chief civic magistrate].”
“To Philagrius the Bishop.”