Manuel Gabalas/Matthew of Ephesos (1271/72–1359/60), Letter (to John Kantakouzenos?), On an Amulet Depicting Christ and St. John the Apostle; Nikephoros Choumnos (c.1260–1327), Letter to Demetrios Kabasilas, On the Beauty of his Handwriting

Alexander Riehle and Foteini Spingou. 2022. “Manuel Gabalas Matthew of Ephesos (1271 72–1359 60), Letter (to John Kantakouzenos?), On an Amulet Depicting Christ and St. John the Apostle; Nikephoros Choumnos (c.1260–1327), Letter to Demetrios Kabasilas, On the Beauty of His Handwriting”. In Sources for Byzantine Art History, Volume 3: The Visual Culture of Later Byzantium (c.1081–c.1350), Pp. 669-. Cambridge: Cambridge University Press