Subsidiarity – a Building Block not only for Europe Series “Kirche und Gesellschaft” Nr. 404, Katholische Sozialwissenschaftliche Zentralstelle (KSZ), J.P. Bachem Medien, Cologne 2013 Download: EnglishDownload
“Vocation of the Business Leader! Or: This Economy Kills” Lecture on the occasion of the Spring 2014 Conference of the Association of Catholic Entrepreneurs (BKU), Speyer, Germany Download: EnglishDownload
