Kowalik J. “Personal matters” of the officials in the Grodno province during the reign of Nicholas I based on archival materials of the National Historical Archives of Belarus in Grodno.” In: Kita J, Korybut-Marciniak M, eds. Marginesy. Vol. 4. Private Life of Poles in the 19th Century. Lodz University Press; 2021:75-88. doi:10.18778/8142-844-6.05