- St. Helena, The True Cross, and the Birth of Rome's Reliquary Palace: History and Mystery at Santa Croce in Gerusalemme (Pilgrimage to the Sacred: Italy's Holy Shrines)
- The Eternal City's Hidden Heart: The Enduring History of the Madonna del Divino Amore (Pilgrimage to the Sacred: Italy's Holy Shrines)
- The First Throne of Peter: San Giovanni in Laterano And Two Thousand Years of the Pope's True Cathedral (Pilgrimage to the Sacred: Italy's Holy Shrines)
- The Basilica That Shaped Christendom: The Story of St. Peter's Basilica from Apostolic Roots to Renaissance Glory
- The Mother of All Sanctuaries: Santa Maria Maggiore And The Miraculous Foundation of Rome's Great Marian Basilica






























