Topolski, Jerzy. “Refeudalization in the Economy of Great Estates in Central and Eastern Europe (16th-18th Centuries)”. Studia Historiae Oeconomicae 6 (October 17, 1972): 51–64. Accessed October 20, 2026. https://pressto.amu.edu.pl/index.php/sho/article/view/57563.