Pedersen, Erik Helmer. “Modernization of the Danish Peasant and Cottager Agriculture During the First Part of the Danish Agricultural Revolution, 1860-1880”. Studia Historiae Oeconomicae 10, no. 1 (December 1, 1975): 109–114. Accessed November 5, 2026. https://pressto.amu.edu.pl/index.php/sho/article/view/58043.