FIC, Maciej. Stosunki demograficzne Gliwic, Bytomia i Zabrza w latach 1945-1950. Wieki Stare i Nowe, [S. l.], v. 2, p. 272–301, 2001. DOI: 10.31261/WSN.2001.01.16. Disponível em: https://journals.us.edu.pl/index.php/WSN/article/view/20432. Acesso em: 5 grudz. 2025.