T. W. Allies was one of the nineteenth centuries most prolific English theologians whose works on Church history, the early Church Fathers, doctrine, and theology have had an enduring impact on the Catholic Church. The sixteen volumes in The Works of T. W. Allies (16 vols.) include all of Allies most prodigious works—the eight-volume Formation of Christendom, Per Crucem ad Lucem, and A Life's Decision—plus more! Covering everything from the development of the early church and doctrines to a full biography of T. W. Allies, this collection provides extensive commentary and elucidation.

Simon Peter, an ordinary fisherman who became one of the most influential apostles of Jesus, left behind a legacy that inspires us to learn from and to apply to our lives. This 20 volume collection represents some of the most significant and insightful studies on Simon Peter from the late nineteenth and early twentieth centuries by notable authors such as F.B. Meyer, J.R. MacDuff, and William M. Taylor. They explore the life of Peter, discuss his martyrdom, and debate his role in Rome. This collection is essential for students, scholars, pastors, historians, teachers, or anyone interested in studying the character of Simon Peter.

Drawing heavily on Latin commentary by Father Passaglia, Thomas Allies provides elaborate clarification on Papal authority as a continuation of visible spiritual government on earth. The author provides commentary on doctrine from early church fathers such as St. Ambrose, St. Chrysostom, St. Basil, and Irenaeus in order to further his defense of the Papacy.