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"Notker Wolf". www.orden-online.de (in German). Orden Online. 30 April 2012. Archived from the original on 20 September 2021. Retrieved 21 September 2021.
"Benedictines elect Abbot Primate". Catholic San Francisco. San Francisco. 20 September 2000. Archived from the original on 21 September 2021. Retrieved 21 September 2021.