Prinzing, G. „Dančeva-Vasileva, Ani: Bŭlgarija I Latinskata Imperija (1204—1261)“. Südost-Forschungen, Bd. 1, Nr. 1, November 2021, S. 451-3, https://www.suedost-forschungen.de/portal/index.php/sof/article/view/8958.