Paert, Irina, and Toomas Schvak. “Orthodox Education in the Baltic Provinces of Imperial Russia and Independent Estonia from 1840s till 1941”. Quaestio Rossica, no. 3 (October 16, 2023): 142–158. Accessed March 5, 2024. https://qr.urfu.ru/ojs/index.php/qr/article/view/066.