Columbia subject headings:
Harvard subject headings:
Albigenses
Christian shrines
Church history--Middle Ages, 600-1500
Crusades
Latin Orient--Church history.
Monasticism and religious orders.
Princeton subject headings:
Albigenses.
Christian shrines.
Church history--Middle Ages, 600-1500.
Crusades.
Latin Orient--Church history.
Monasticism and religious orders.