C. Rapp, « A "Chrysobull" of Justinian for Saint Catherine’s Monastery (Sin. gr. 1889) in the Light of Connections between the Sinai and Constantinople in the 16th Century », dans D. Chitunashvili (éd), The Caucasus between East and West. II, Historical and Philological Studies in Honour of Zaza Aleksidze, Tbilisi, 2021, p. 365-377