WAL, A. On duty of idea – Tu jest Polska by Herminia Naglerowa. Tematy i Konteksty, [S. l.], v. 6, n. 1, p. 310–322, 2011. Disponível em: https://journals.ur.edu.pl/tematyikonteksty/article/view/11201. Acesso em: 13 nov. 2026.