14 surviving letters between Libanius and Proclus, correspondent of Libanius, spanning 388-393 AD.
Libanius asks Proclus to reward Diognetus for his constant public praise.
Libanius says Proclus is effectively a fourth envoy because his buildings and family influence bind him to Antioch.
Libanius praises Proclus for reforming marketplace injustice and says new praise speeches should celebrate the achievement.
Libanius writes to Proclus to support Macedonius, mentioning that Proclus's father also supports the cause.
Libanius reminds Proclus of a promise to help Eusebius with his public service obligations without crushing him.
Libanius asks Proclus to defend Thalassius against renewed slanders and support his admission to the council.
Libanius teases Proclus for not writing since taking office and asks him to explain the sudden letter.
Praise for Proclus and his father Erethius.
Libanius petitions Proclus to help the son of the deceased Domninus avoid a burdensome municipal liturgy.
Libanius asks Proclus to help Philip, whose education has not saved him from poverty.
Libanius seeks help for Argyrius as he funds civic spectacles.
A tactful but embarrassed complaint about Proclus' silence.
A warm response to Proclus, treating busy public service as better evidence than a letter.
A brief request for more letters from Proclus because they heal and impress the city.