Łapa, M. 2022. Sketch for a portrait of Witold Staniewicz, professor of agricultural economics and minister of agricultural reforms. Scientific, didactic and organizational activity in the years 1921–1939. Zeszyty Wiejskie. 28, (Oct. 2022), 37–69. DOI:https://doi.org/10.18778/1506-6541.28.02.