KOPIEC, J. Cardinal A. Kakowski’s Involvement in the Independence Issue during the Regency Council Period (1917-1918). Kościół i Prawo, [S. l.], v. 14, n. 2, p. 37–50, 2025. DOI: 10.18290/kip2025.15. Disponível em: https://czasopisma.tnkul.pl/index.php/kip/article/view/4589. Acesso em: 2 jan. 2026.