José O’Callaghan, “¿Papiros neo-testamentarios en la cueva 7 de QumraÆn?” Biblica 53 (1972), pp. 91–100; English translation by W.L. Holladay, “New Testament Papyri in QumraÆn Cave 7?” Supplement to the Journal of Biblical Literature 91 (1972), pp. 1–14.