DMITRUK, Stefan. Chełm Orthodox Diocese as Mentioned in the Gazeta Ludowa. Tygodnik Ilustrowany Weekly from 1915 to 1918. Studia z Dziejów Rosji i Europy Środkowo-Wschodniej, [S. l.], v. 52, n. 2, p. 5–24, 2018. DOI: 10.12775/SDR.2017.EN2.01. Disponível em: https://apcz.umk.pl/SDR/article/view/SDR.2017.EN2.01. Acesso em: 18 luty. 2026.