Kowal, Ewelina, and Stefan Kowal. “A Bibliography of Publications in Economic and Social History Printed in Poland in 1977”. Studia Historiae Oeconomicae 14, no. 1 (June 1, 1979): 303–336. Accessed October 12, 2024. https://pressto.amu.edu.pl/index.php/sho/article/view/44244.