Machałek, Małgorzata. “National Agricultural Censuses in Poland from 1921–2010: Evolution, Thematic Scope and Relevance for the Study of Rural and Agricultural History”. Studia Historiae Oeconomicae, vol. 40, no. 1, Dec. 2022, pp. 123-41, doi:10.14746/sho.2022.40.1.007.