Zestawienie prac naukowych prof. dr. hab. Jana Wasilkowskiego 1926-1969: [Bibliography of scientific works of prof. dr. hab. Jan Wasilkowski, issued in 1926-1969]. Studia Prawnicze / The Legal Studies, [S. l.], n. 26-27, p. 349–351, 2023. DOI: 10.37232/sp.1970.26-27.27. Disponível em: https://czasopisma.inp.pan.pl/index.php/sp/article/view/3791. Acesso em: 17 aug. 2025.