Phōtiou tou Sophōtatou kai Hagiōutatou Patriarchou Kōnstantinoupoleōs Epistolai ais duo tou hagiou parērtētai ponēmatia. A ́--: Erotm̄ata deka syn isais tais apokrisesin ... B ́-- Kriseis kai epilyseis pente kephalaiōn ... : meta prolegomenōn peri tou biou kai tōn syngrammatōn Phōtiou k.t.l
Saint Photius I (Patriarch of Constantinople)