Columbia subject headings:
Festivals--Germany--Billerbeck (North Rhine-Westphalia)
Ludger, Saint, approximately 742-809--Exhibitions.
Harvard subject headings:
Ludger, Saint, approximately 742-809--Art--Exhibitions.
Princeton subject headings:
Festivals--Germany--Billerbeck (North Rhine-Westphalia).
Ludger, Saint, approximately 742-809--Exhibitions.