Lukashevich, Andrei M. “POLOTSK CADET CORPS DURING THE WORLD WAR I (1914–1918)”. Zhurnal Belorusskogo Gosudarstvennogo Universiteta. Istoriya, vol. 6, no. 2, May 2024, pp. 17-32, https://doi.org/10.33581/fcm22s73.