Rusiński, Władysław. “Role of the Rural Population of the Poznań Region (Wielkopolska) in Shaping the Non-Agricultural Labour Market in the Years 1870-1914”. Studia Historiae Oeconomicae 4, no. 1 (June 1, 1970): 29–46. Accessed October 14, 2026. https://pressto.amu.edu.pl/index.php/sho/article/view/57050.