Columbia subject headings:
Harvard subject headings:
Cea (Orense, Spain)--Church history.
Monasterio Cisterciense de Santa María de Oseira (Cea, Orense, Spain)--History.
Monasticism and religious orders--Spain--History--Middle Ages, 600-1500.
Princeton subject headings:
Cistercians--Spain--Cea (Orense)--History.
Monasteries--Spain--Cea (Orense)--History.
Monasterio Cisterciense de Santa María de Oseira (Cea, Orense, Spain)--History.