KRÓLIKOWSKA, Anna. Ludwik Piechnik S.J. (1920–2006): The First Head of the Chair of the History of Education (1997–1998) of the Jesuit University Ignatianum in Krakow. Studia Paedagogica Ignatiana. Online. 28 June 2022. Vol. 25, no. 2, pp. 63-76. [Accessed 19 December 2025]. DOI 10.12775/SPI.2022.2.003.