Columbia subject headings:
Cistercian nuns--Germany--Kyll River Valley--History.
Zisterzienserinnenkloster St. Thomas an der Kyll--History.
Harvard subject headings:
Cistercian nuns--Germany--Kyll River Valley--History.
Zisterzienserinnenkloster St. Thomas an der Kyll--History.
Princeton subject headings:
Cistercian nuns--Germany--History.
St. Thomas an der Kyll (Abbey : Germany)