The Coptic gnostic library : a complete edition of the Nag Hammadi codices (Vol 2) - NHC II, 1; III, 1; IV, 1: The Apocryphon of John / NHC II, 2-7: The Gospel of Thomas, The Gospel of Philip, The Hypostasis of the Archons, On the Origin of the World, The Expository Treatise on the Soul, The Book of Thomas the Contender / NHC III, 2; IV, 2: The Gospel of the Egyptians