GKOUTZIOUKOSTAS, Andreas. “"Judges of the Velum" and ‘Judges of the Hippodrome’ in Thessalonike (11th c.)”. Byzantina Symmeikta 20 (September 6, 2010): 67–84. Accessed June 15, 2024. https://ejournals.epublishing.ekt.gr/index.php/bz/article/view/3737.