By Dubay, Thomas
By Howard, Thomas
By Chesterton, G. K.
By Ratzinger, Joseph, Horn, Stephan Otto, Pfnur, Vinzenz, Taylor, Henry
By Kreeft, Peter J.
By Cardinal Christoph Schonborn
By Whalen, William J.
By Monti, James
By Knox, Ronald Arbuthnott, Marlin, George J.