“The activities of police institutions of the Russian empire in the fight against political opposition at the turn of the 19th – 20th centuries”, Вестник государственного и муниципального управления, vol. 12, no. 4, pp. 172–181, Apr. 2023, Accessed: Sep. 28, 2026. [Online]. Available: https://vestnik-gmu.owebs.ru/article/view/18306