Columbia subject headings:
Abbeys--Austria--History.
Abtei Heiligenkreuz.
Cistercians--History.
Monasteries--Austria--History.
Harvard subject headings:
Abbeys--Austria--History.
Abtei Heiligenkreuz.
Cistercians--History.
Monasteries--Austria--History.
Princeton subject headings:
Abbeys--Austria--History.
Abtei Heiligenkreuz.
Cistercians--History.
Monasteries--Austria--History.