GRYCZ, Marian. Handelsbeziehungen der Stadt Poznan bis Ende des XVII. Jahrhunderts [Trade Relations of the City of Poznan until the End of the 17th Century]. Studia Historiae Oeconomicae, [S. l.], v. 2, n. 1, p. 43–56, 1968. DOI: 10.14746/sho.1968.02.1.003. Disponível em: https://pressto.amu.edu.pl/index.php/sho/article/view/57189. Acesso em: 14 oct. 2026.