BRAUN, Krzysztof. Marian Pokropek (1932-2023). LUD. Organ Polskiego Towarzystwa Ludoznawczego, [S. l.], v. 107, p. 362–369, 2023. Disponível em: https://apcz.umk.pl/LUD/article/view/46877. Acesso em: 13 luty. 2025.