The Athenian Agora 24; Late Antiquity A.D. 267-700; From Diokletian to the Visigothic Invasion; Diokletian to Julian the Apostate A.D. 284-363; The Progress of Christianity. L' école d' Athènes au Ive ... Agora 24 18 ... L' école d' Athènes au Ive siècle, pp. xxxv-xlviii ... T.D. Barnes, Lactantius and Constantine, JRS 63, 1973, pp. 30ff ... T.D. Barnes, Constantine and Eusebius, Cambridge, Mass.