Joanna Wojdon, White and Red Umbrella. The Polish American Congress in the Cold War Era 1944-1988. Zeitschrift für Ostmitteleuropa-Forschung, [S. l.], v. 67, n. 1, p. 151–153, 2018. DOI: 10.25627/201867110356. Disponível em: https://openjournals.osmikon.de/zfo/article/view/10356. Acesso em: 16 sep. 2026.