Афанасьевна Морозова, Надежда, and Валерий Чекмонас. “Pious Followers of the Old Faith Near Opočka (Some Socio- and Ethnolinguistic Notes)”. Slavistica Vilnensis 51, no. 2 (December 1, 2002): 93–116. Accessed May 1, 2024. https://www.journals.vu.lt/slavistica-vilnensis/article/view/26845.