Bondarenko, I. A., “Development of the Penal System in the Russian Empire in the Late 19th – Early 20th Centuries (Case Study of Don Regional Institutions)”, Статьи, The Bulletin of the Volga Region Institute of Administration, 25/4 (2025), 80-7, https://volga-institute.owebs.ru/article/view/18582, accessed 8 Nov. 2026.