T. C. O'Brien

• Summa Theologiae: Volume 26, Original Sin
• Summa Theologiae: Volume 26, Original Sin
• Summa Theologiae: Volume 26, Original Sin
• Summa Theologiae: Volume 27, Effects of Sin, Stain and Guilt
• Summa Theologiae: Volume 41, Virtues of Justice in the Human Community
• Odds and Evens
• Summa Theologiae