Imperial invectives against Constantius II : Athanasius of Alexandria, History of the Arians, Hilary of Poitiers, Against Constantius and Lucifer of Cagliari, The Necessity of Dying for the Son of God. - Flower, Richard; Hilary, Saint, Bishop of Poitiers, -367?; Lucifer, Bishop of Cagliari, -approximately 370 (Liverpool University Press, 2016)