WINKELER, L. Jan De Volder, Cardinal Mercier in the First World War. Belgium, Germany and the Catholic Church. BMGN - Low Countries Historical Review, [S. l.], v. 135, 2020. DOI: 10.18352/bmgn-lchr.10767. Disponível em: https://bmgn-lchr.nl/article/view/7005. Acesso em: 5 may. 2024.