Scheidt, Claudia (2008). "Romfahrt des Chores" (in German). St. Bonifatius, Wiesbaden. Archived from the original on 13 November 2010. Retrieved 2 November 2010.
Scheidt, Claudia (2008). "Romfahrt des Chores" (in German). St. Bonifatius, Wiesbaden. Archived from the original on 13 November 2010. Retrieved 2 November 2010.