Most Popular Books
- Celibacy in the Early Church: The Beginnings of Obligatory Continence for Clerics in East and West
- Altar and Church: Principles of Liturgy from Early Christianity
- Wohnen Wie in Katakomben: Kleine Museumsgeschichte Des Campo Santo Teutonico
- Das Romische Institut Der Gorres-Gesellschaft: Tatigkeitsbericht 2011-2021
