https://www.vatican.va/content/paul-vi/it/encyclicals/documents/hf_p-vi_enc_15091966_christi-matri.html
Christi Matri (15 settembre 1966)
Christi Matri, enciclica, paolo vi, christi matri, vaticano, chiesa cattolica
christi matri15 settembre1966
https://www.catholicculture.org/culture/library/view.cfm?id=5027
Library : Christi Matri (On Prayers To Mary For Peace) | Catholic Culture
Christi Matri (On Prayers To Mary For Peace) Encyclical of Pope Paul VI Christi Matri (On Prayers To Mary For Peace) promulgated on September 15, 1966.
christi matrifor peacelibraryprayers