Das Sacramentarium Gregorianum nach dem Aachener Urexemplar - Bornkamm, Heinrich. (OLS)http://semarc/name/17236; Lietzmann, Hans, <1875-1942>. (OLS)http://semarc/name/195 (Aschendorff, 1967)
Keywords: Liturgia - Storia - Fonti. (OLS)http://semarc/subject/1076; Sacramentario gregoriano. (OLS)http://semarc/subject/7040

Solidarity and Subsidiarity in international relations. (Pursuing the common good how solidarity and subsidiarity can work together)