PIECH, Zenon. Władysław Semkowicz as a founder of modern auxiliary sciences of history. Reflections on the seventy-fifth anniversary of his death. Studia Źródłoznawcze. Commentationes. Online. 5 December 2024. Vol. 62, pp. 141-169. [Accessed 4 July 2025]. DOI 10.12775/SZ.2024.07.