Columbia subject headings:
Abelard, Peter, 1079-1142.
Bernard, of Clairvaux, Saint, 1090 or 1091-1153.
Theology, Doctrinal--History--Middle Ages, 600-1500.
Theology--History--Middle Ages, 600-1500.
Twelfth century.
Harvard subject headings:
Abelard, Peter, 1079-1142
Bernard, of Clairvaux, Saint, 1090 or 1091-1153
Theology, Doctrinal--History--Middle Ages, 600-1500.
Twelfth century.
Princeton subject headings:
Abelard, Peter, 1079-1142.
Bernard, of Clairvaux, Saint, 1090 or 1091-1153.
Theology--History--Middle Ages, 600-1500.