Topolski, Jerzy. 1968. “Croissance économique De La Pologne Du Xe Au XXe siècle (Remarques méthodiques Et Tentatives d’évaluation) [Economic Growth of Poland from the 10th to the 20th Century (Methodological Remarks and Attempts at Evaluation)]”. Studia Historiae Oeconomicae 2 (1):3-30. https://doi.org/10.14746/sho.1968.02.1.001.