Mariology of the saints Marian veneration is the best. Canisius tried to show a practical rationale for Marian devotion and defended it against opposing Protestant arguments. His lasting contribution to this "applied mariology" are his three catechisms, which he published in Latin and German, and which became widespread and popular in Catholic regions. Under the heading "prayer" he explains the Ave Maria, (Hail Mary), as the basis for Catholic Marian piety. Less known are his Marian books, in which he published prayers and contemplative texts. He is credited with adding to the Hail Mary the sentence "Holy Mary, Mother of God, pray for us
Acts of Reparation to the Virgin Mary of Fátima, was requested by the Virgin Mary herself in an apparition at Pontevedra, Spain, in December 1925. This acts of reparation has been approved by the Roman Catholic Church. Words of the Prayer from Raccolta: Words of the Prayer from Raccolta: Acts of Reparation to the Virgin Mary Catholic tradition and Mariology include specific prayers and devotions as acts of reparation for insults and blasphemies against the Blessed Virgin Mary. Similar prayers as "Acts of Reparation to Jesus Christ" and "Acts of Reparation to The Holy Trinity" also exist. Some such prayers are provided in the Raccolta Catholic prayer