Columbia subject headings:
Mysticism--History--Middle Ages, 600-1500.
Wisdom--Religious aspects--Christianity--History of doctrines--Middle Ages, 600-1500.
Harvard subject headings:
Mysticism--History--Middle Ages, 600-1500
Wisdom.
Princeton subject headings:
Mysticism--History--Middle Ages, 600-1500.
Wisdom--Religious aspects--Christianity--History of doctrines--Middle Ages, 600-1500.