Surveillance Reports of National Units of the Red Army Political Departments in 1918–1920. Latvijas Universitātes Žurnāls Vēsture, Riga, Latvia, n. 16, p. 39–55, 2023. DOI: 10.22364/luzv.16.02. Disponível em: https://journal.lu.lv/luzv/article/view/635.. Acesso em: 21 nov. 2024.