PFLUGBEIL, Christina. Michał Kajka (1858–1940) in the Tension Field of Cultures. Bibliotekarz Podlaski, [S. l.], v. 62, n. 1, p. 333–354, 2024. DOI: 10.36770/bp.893. Disponível em: https://bibliotekarzpodlaski.pl/index.php/bp/article/view/893. Acesso em: 10 jul. 2025.