File talk:Rathausturm Köln - Äbtissin Ida und Hildebold (0828-30).jpg

This file has been used in: Jinty Nelson (2020-05-01). Charlemagne and Europe: Man and Myth in the Middle Ages (in en). brewminate.com. Retrieved on 2020-05-28. web.archives.org

This file has been used in: historyofcolognepodcast (2021-08-06). Because of his importance for the history of Cologne, Bishop Hildebold has of course been immortalized as a figure on the Cologne City Hall tower. (in en). instagram.com. Retrieved on 2021-09-06.