FILIPIAK, Tadeusz. The Main Problems of the Trade Union Movement in the Former Prussian Partition of Poland until 1914. Studia Historiae Oeconomicae, [S. l.], v. 1, n. 1, p. 135–166, 1967. DOI: 10.14746/sho.1967.01.1.007. Disponível em: https://pressto.amu.edu.pl/index.php/sho/article/view/56920. Acesso em: 3 oct. 2026.