Columbia subject headings:
Harvard subject headings:
Catholic Church--Germany--Münster in Westfalen--Clergy--Biography.
Dom zu Münster (Münster in Westfalen, Germany)
Ludger, Saint, approximately 742-809.
Münster in Westfalen (Germany)--Church history.
Münster in Westfalen (Germany)--Religious life and customs.
Reformation--Germany--Münster in Westfalen.
Princeton subject headings:
Catholic Church--Germany--Münster in Westfalen--History.
Münster in Westfalen (Germany)--Church history.