Gregory of Nyssa and Gregory the Theologian: miniature from an illustrated 11th century manuscript.
Mount Athos, Dionysiou Monastery, codex 61 (Gregoriou tou Theologou hoi 16 Logoi), p. 113a.
Hoi Thesauroi tou Agiou Orous: Eikonografimena Cheirografa, parastaseis-epititla-arhika grammata, v. 1, Ekdotike Athenon S.A., Athens 1973, p. 111, ill. 113.
© Holy Community of Mount Athos