BOROWSKI, Stanisław. Demographic Development and Malthusian Problem in the Polish Territories under German Rule, 1807-1914. Studia Historiae Oeconomicae, [S. l.], v. 3, n. 1, p. 159–180, 1969. DOI: 10.14746/sho.1969.03.1.009. Disponível em: https://pressto.amu.edu.pl/index.php/sho/article/view/57017. Acesso em: 3 oct. 2026.