S. P. Panagopoulos, «Kassia: A Female Hymnographer of 9th Century Byzantium and her Hymnographic Poem on the Vesper of Holy Tuesday», De medio aevo, vol. 4, fasc. 1, pp. 115–128, gen. 2015, Consultato: lug. 11, 2026. Disponibile su: https://revistas.ucm.es/index.php/DMAE/article/view/75667