International Fraternity of the Virgin Mary Untier of Knots, "List of Churches, Chapels and PlacesArchived 28 June 2012 at the Wayback Machine where the Virgin Mary, Untier of Knots is venerated [as] Maria Knotenlöserin". Retrieved 16 June 2013.
International Fraternity of the Virgin Mary Untier of Knots, "List of Churches, Chapels and PlacesArchived 28 June 2012 at the Wayback Machine where the Virgin Mary, Untier of Knots is venerated [as] Maria Knotenlöserin". Retrieved 16 June 2013.