With a summa cum laude thesis on the Nag Hammadi Gnostic Coptic Treatise on the Resurrection, which he presented in a critical edition in 1978, he has moved on to present critical editions of other texts: The Hypostasis of the Archons, Or, The Reality of the Rulers..., serialized in Harvard Theological Review 67 (1974) 351—425 and 69 (1976) 1—71, and others.