Daszkiewicz, Piotr. “The Forgotten Trade of European Pond Turtle Emys Orbicularis in Central Europe in the 18th and 19th Centuries – An Essential Introduction to Historical and Economic Investigation”. Studia Historiae Oeconomicae 36 (June 6, 2019): 99–103. Accessed April 20, 2024. https://pressto.amu.edu.pl/index.php/sho/article/view/29093.