Columbia subject headings:
Monasticism and religious orders--Spain--San Millán de la Cogolla--History.
San Millán de Suso (Monastery)
San Millán de la Cogolla (Spain)--Church history.
Harvard subject headings:
Monasteries--Spain--San Millán de la Cogolla--History.
San Millán de Suso (Monastery)
Princeton subject headings: