Nag Hammadi Codex II,2-7 together with XIII,2*, Brit. Lib. Or.4926(1) and P. Oxy. 1,654,655 : vol. 2. On the origin of the world, expository treatise on the soul. Book of Thomas the Contender - (The Coptic Gnostic library). - Layton, Bentley (Brill, 1989)