https://www.vatican.va/content/francesco/en/speeches/2015/february/documents/papa-francesco_20150216_pro-petri-sede.html
To the delegation of the "Pro Petri Sede" Association (16 February 2015)
pro petri sedeto the16 februarydelegation
https://www.vatican.va/content/benedict-xvi/fr/speeches/2006/october/documents/hf_ben-xvi_spe_20061030_pro-petri-sede.html
Aux membres des Associations "Pro Petri Sede" et "Etrennes pontificales" (30 octobre 2006)
associations, Pro Petri Sede, Etrennes pontificales
pro petri sede