Sources Used & Further Reading:

Barber, Charles. Figure and Likeness: On the Limitations of Representation in Byzantine Iconoclasm

Barber, Charles. "From Image to Art: Art after the Byzantine Iconoclasm"

Cormack, Robin. "The Arts During the Age of Iconoclasm"

Elsner, Jaś. "Iconoclasm as Discourse: From Antiquity to Byzantium"

Elsner, John. "Image and Iconoclasm in Byzantium"

Kartsonis, Anna. "The Responding Icon"

Pallis, Dimitrios. "A Critical Presentation of the Iconography of St. John of Damascus"