HRABOVEC, Emília. The Popes and the Idea of European Unity. Polonia Sacra, [S. l.], v. 25, n. 1, p. 119–135, 2021. DOI: 10.15633/ps.3911. Disponível em: https://czasopisma.upjp2.edu.pl/poloniasacra/article/view/3911.. Acesso em: 11 apr. 2026.