Kadulska, Irena. “Books-Related Employees at the Academy of Polotsk (1812–1820)”. Acta Universitatis Lodziensis. Folia Litteraria Polonica 34, no. 4 (January 27, 2017): 257–265. Accessed December 20, 2025. https://czasopisma.uni.lodz.pl/polonica/article/view/1029.