SZULC, Witold. A Bibliography of Publications in Economic and Social History Printed in Poland in 1967. Studia Historiae Oeconomicae, [S. l.], v. 3, n. 1, p. 255–296, 1969. DOI: 10.14746/sho.1969.03.1.014. Disponível em: https://pressto.amu.edu.pl/index.php/sho/article/view/57032. Acesso em: 3 oct. 2026.