Witkowski, Andrzej. “Autonomous Countervailing Tax Among Measures Aimed at Balancing the Budgets of Rural Communes in Interwar Poland”. Z Dziejów Prawa 12 (April 16, 2020): 525–557. Accessed December 5, 2025. https://journals.us.edu.pl/index.php/zdp/article/view/8859.