Nag Hammadi codices (Leiden E.J. Brill, 1975)
3/2 and 4/2. The gospel of the Egyptians : (the Holy book of the great invisible spirit) / edited with translation and commentary by Alexander Bh̲lig, Frederik Wisse ; in cooperation with Pahor Labib 5/2-5 and 6. With Papyrus Berolinensis 8502, 1 and 4 : (the Holy book of the great invisible spirit) / contributors : James Brashler ... [et al.] ; volume editor : Douglas M. Parrott 9-10 [11]. Greek and Coptic papyri from the cartonnage of the covers / edited by J.W.B. Barns, G.M. Browne, J.C. Shelton