TITTENBRUN, Jacek; MIŃSKI, Radomir; SZYMAŃSKA, Ewelina. Relations of Non-Economic Ownership as a Basis of Identification of Social Estates. Studia Historiae Oeconomicae, [S. l.], p. 155–174, 2011. DOI: 10.14746/sho.2011.28-29.1.009. Disponível em: https://pressto.amu.edu.pl/index.php/sho/article/view/29259. Acesso em: 25 feb. 2026.