Career
He is the author of Bonifatius und das Sakrileg (2004), a study of the saint"s influence on the concept of sacrilege in the 8th-century church and afterward. In his study he identifies a number of sententiae in a Wurzburg manuscript (an important witness for the Collectio canonum Hibernensis) as connected to Boniface, proposing the title Sententiae Bonifantianae Wirceburgensis for the fifty-four capitula and chapter headings in the manuscript. With Hubert Mordek and Klaus Zechiel-Eckes he is the editor of the Admonitio generalis, an important Carolingian document.
