Mączak, Antoni. “The Sound Toll Accounts and the Balance of English Trade With the Baltic Zone 1565-1646”. Studia Historiae Oeconomicae 3, no. 1 (December 1, 1969): 93–114. Accessed September 30, 2026. https://pressto.amu.edu.pl/index.php/sho/article/view/57014.