This volume, which is dedicated to Fr. Edward D. O'Connor, C.S.C., contains essays highlighting the historical development of Mariology during the "Marian century," by major ressourcement theologians, whose reflections decisively influenced the development of the Lumen Gentium, as well as Marian modalities emerging in the Catholic Church of that time. It concludes with a pastoral reflection and impulse to recover the importance of the Blessed Virgin Mary as the nexus mysteriorum (Benedict XVI), uniting within herself and re-echoing the greatest mysteries and teachings of the faith (Cf. LG, 65)