Columbia subject headings:
Hermits--Europe--History.
Monasticism and religious orders--History--Middle Ages, 600-1500.
Harvard subject headings:
Hermits--Europe--History.
Monasticism and religious orders--History--Middle Ages, 600-1500.
Princeton subject headings:
Hermits--Europe--History.
Monasticism and religious orders--History--Middle Ages, 600-1500.