31 December 2007 <http://www.vatican.va/holy_father/benedict_xvi/homilies/2006/documents/hf_ben-xvi_hom_20060615_corpus-christi_en.html>.
31 December 2007 <http://www.vatican.va/holy_father/benedict_xvi/homilies/2006/documents/hf_ben-xvi_hom_20060615_corpus-christi_en.html>.