Columbia subject headings:
Mysticism--Europe--History.
Mysticism--Germany--History.
Mysticism--History--Middle Ages, 600-1500.
Mysticism--Netherlands--History.
Mystics--Biography.
Harvard subject headings:
Mysticism--Catholic Church--History--Middle Ages, 600-1500.
Mysticism--Germany--History--Middle Ages, 600-1500
Mysticism--Netherlands--History--Middle Ages, 600-1500.
Princeton subject headings:
Mysticism--Europe--History.
Mysticism--Germany--History.
Mysticism--History--Middle Ages, 600-1500.
Mysticism--Netherlands--History.
Mystics--Biography.