Macyra, Roman. “Spekulationen an Devisenbörsen in Der Zweiten Polnischen Republik. Vorbemerkungen [Speculation on Foreign Exchange Markets in the Second Polish Republic. Preliminary Remarks]”. Studia Historiae Oeconomicae 27, no. 1 (June 1, 2009): 147–158. Accessed December 4, 2024. https://pressto.amu.edu.pl/index.php/sho/article/view/43999.