“Memoirs of a Missionary: D.I. Bogoliubov and the Russian Orthodox church’s Internal Mission in the 19th and Early 20th Centuries”. Zaporizhzhia Historical Review 1, no. 28 (April 28, 2026). Accessed May 17, 2026. https://history.znu.edu.ua/index.php/journal/article/view/2771.