Ewertowski, Tomasz. “Slavs on Steamships. Steamship Travels Between Europe and Asia, 1869–1890”. Poznańskie Studia Slawistyczne, no. 23 (February 10, 2023): 19–43. Accessed November 27, 2024. https://pressto.amu.edu.pl/index.php/pss/article/view/37202.