Includes bibliographical references (pages 181-182)

Introduction. The Biblical background -- The second century. The Apostolic fathers ; The Apologists ; Irenaeus of Lyon -- The third century. Monarchianism ; Hippolytus and Tertullian ; Novatian ; Clement of Alexandria ; Origen -- The fourth century. Arius ; Alexander of Alexandria ; The Council of Antioch ; The Council of Nicaea ; Eusebius of Caesarea ; Constantine and Constantius ; Athanasius ; Gregory of Nazianzus and Gregory of Nyssa -- The fifth century : Augustine -- Arius's Letter to Eusebius of Nicomedia -- Arius's Letter to Alexander of Alexandria -- Alexander of Alexandria's Letter to Alexander of Thessalonica -- The Synodal letter of the Council of Antioch, A.D. 325 -- The creed of the Synod of Nicaea (June 19, 325) -- The Canons of Nicaea, A.D. 325 -- Eusebius of Caesarea's Letter to his church concerning the Synod at Nicaea -- Arius's Letter to the Emperor Constantine -- Athanasius's Orations against the Arians, book 1 -- Gregory of Nazianzus's Third theological oration concerning the Son -- Gregory of Nyssa's Concerning we should think of saying that there are not three Gods to Ablabius -- Augustine of Hippo's On the Trinity, book 9