Kornrumpf, Hans-Jürgen. 2021. „Vryonis, Speros: The Decline of Medieval Hellenism in Asia Minor and the Process of Islamization from the Eleventh through the Fifteenth Century“. Südost-Forschungen 1 (1):522-24. https://www.suedost-forschungen.de/portal/index.php/sof/article/view/11427.