Dizionario di pastorale giovanile - Tonelli, Riccardo. (OLS)http://ftis/name/58021; Midali, Mario. (OLS)http://ftis/name/55061; Università Pontificia Salesiana : Istituto di Teologia Pastorale. (OLS)http://ftis/name/60015 (Elledici,, 1989)

2: The apocryphon of John. 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 Gospel of the Egyptians. (Coptic Gnostic Library, 2000)