Schmitt, Jürgen K. „John B. Freed, Noble Bondsmen. Ministerial Marriages in the Archdiocese of Salzburg, 1100-1343“. Südost-Forschungen 1, no. 1 (November 30, 2021): 600–602. Zugegriffen November 24, 2024. http://bsb0sit-zepweb01.bsb.lrz.de/portal/index.php/sof/article/view/7687.