Theodoros Balsamon, Commentaries on the Canonical Letters of Dionysius of Alexandria, Peter I of Alexandria, Gregory Thaumaturgus, Athanasius and Basil of Caesarea PG 138.456. Imperfect, expl. κατακρίσεως περισώσασθαι:- ἑρμηνεία. A table of contents (f. 247) suggests a large lacuna after f. 366.