Shaidurov, Vladimir, and Tadeush Novogrodski. “Authorities and Polish Exiles in the Siberia of the 19th Century (Based on Epistolary Sources)”. Journal of Frontier Studies 7, no. 1 (March 3, 2022): 294-311. Accessed April 25, 2024. https://www.jfs.today/index.php/jfs/article/view/380.