Columbia subject headings:
Bernard, of Clairvaux, Saint, 1090 or 1091-1153.
Harvard subject headings:
Bernard, of Clairvaux, Saint, 1090 or 1091-1153
Bible--Criticism, interpretation, etc.--History--Early church, approximately 30-600.
Spiritual life--Christianity--History of doctrines--Middle Ages, 600-1500
Princeton subject headings: