Columbia subject headings:
Church music--Catholic Church--Congresses.
Cistercian architecture--Congresses.
Cistercian monasteries--Germany--Michaelstein.
Kloster Michaelstein--Congresses.
Harvard subject headings:
Church music--Catholic Church--Congresses.
Cistercian architecture--Congresses.
Cistercian monasteries--Germany--Michaelstein.
Kloster Michaelstein--Congresses.
Princeton subject headings:
Church music--Catholic Church--500-1400--Congresses.
Cistercian architecture--Congresses.
Cistercian monasteries--Germany--Michaelstein.
Kloster Michaelstein--Congresses.