Tardy L, Boris J, eds. Beyond the Ottoman Empire : 14th-16th Century Hungarian Diplomacy in the East. Vol. Vol. 13. SZTE BTK Institute of Hungarian Language and Literature University of Szeged; 1978. Accessed July 3, 2025. https://ebook.ek.szte.hu/index.php/btk-magyarnyelviirodalmi-intezet/catalog/book/181