"Donation of Constantine" and "Constitutum Constantini" The Misinterpretation of a Fiction and its Original Meaning. With a contribution by Wolfram Brandes: "The Satraps of Constantine" Fried Johannes Innbundet / 2007 / Engelsk
Politischer Aristotelismus Und Religion in Mittelalter Und Früher Neuzeit Fidora Alexander Innbundet / 2007 / Tysk
