Stolyarova, Lyubov’ Viktorovna, and Svetlana Jur’evna Koroleva. “Sergey Kashtanov. Historiographer of the Russian and European Midd Le Ages”. Quaestio Rossica, no. 3 (October 16, 2023): 255–280. Accessed December 7, 2023. https://qr.urfu.ru/ojs/index.php/qr/article/view/073.