- Cross as a Principle of Christian Imagination in the Work of C. S. Lewis2018 | Catholic Theological Faculty
- Argument or Testimony? Joy, Pleasure and Desire as a Topic of Fundamental Theology in the Work of C. S. Lewis2016 | Catholic Theological Faculty
- And Beauty Will Make You Free: On the Transformative Power of Beauty2022 | Protestant Theological Faculty
- Arguments of Reason and Magical Worlds: The Language of Apologetics According to C. S. Lewis2020 | Catholic Theological Faculty