Eastmond, Antony (1999). „Narratives of the Fall: Structure and Meaning in the Genesis Frieze at Hagia Sophia, Trebizond”. Dumbarton Oaks Papers. 53 (1999): 219—36. JSTOR1291802. doi:10.2307/1291802.
S. P. Karpov (1995). „New Documents on the Relations between the Latins and the Local Populations in the Black Sea Area (1392—1462)”. Dumbarton Oaks Papers. 49: 39. JSTOR1291707. doi:10.2307/1291707.. : Symposium on Byzantium and the Italians, 13th-15th centuries.
Eastmond, Antony (1999). „Narratives of the Fall: Structure and Meaning in the Genesis Frieze at Hagia Sophia, Trebizond”. Dumbarton Oaks Papers. 53 (1999): 219—36. JSTOR1291802. doi:10.2307/1291802.
S. P. Karpov (1995). „New Documents on the Relations between the Latins and the Local Populations in the Black Sea Area (1392—1462)”. Dumbarton Oaks Papers. 49: 39. JSTOR1291707. doi:10.2307/1291707.. : Symposium on Byzantium and the Italians, 13th-15th centuries.