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 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 book, first published in association with the Catholic Congregation of Indulgences in 1807. Also the Five First Saturdays, also called the "Act of Reparation to the Immaculate Heart of the Blessed Virgin Mary", is a Catholic devotion which, according to Sister Lúcia