Shcheglova, Olga. “The Feast Days of Slavic Saints As Part of the Stishnoy Prologue from the 15th – 17th Centuries”. Quaestio Rossica 6, no. 4 (December 25, 2018): 1053–1062. Accessed April 20, 2024. https://qr.urfu.ru/ojs/index.php/qr/article/view/qr.345.