KOŁODZIEJCZYK, Ryszard. The Bourgeoisie in Poland in the 19th and 20th Century against the European Background. Studia Historiae Oeconomicae, [S. l.], v. 5, n. 1, p. 215–230, 1970. DOI: 10.14746/sho.1970.05.1.014. Disponível em: https://pressto.amu.edu.pl/index.php/sho/article/view/57424. Acesso em: 14 oct. 2026.