SZULC, Witold. A Bibliography of Publications in Economic and Social History Printed in Poland in 1968. Studia Historiae Oeconomicae, [S. l.], v. 4, n. 1, p. 181–222, 1970. DOI: 10.14746/sho.1970.04.1.011. Disponível em: https://pressto.amu.edu.pl/index.php/sho/article/view/57113. Acesso em: 14 oct. 2026.