- We fight against the spirits of evil. Pentecostal angelology and daemonology in theory and practice2013 | Protestant Theological Faculty
- Angelology and Demonology in the Theology of Karl Barth and Hans Urs von Balthasar2016 | Publication without faculty affiliation
- On the Wings of Desire: Angelology according to Wim Wenders2013 | Publication without faculty affiliation
- Melchisedek in the Letter to the Hebrews and in Qumran2014 | Protestant Theological Faculty, Catholic Theological Faculty
- Angels and Demons in the 19.- 21. centuryPublication without faculty affiliation