Columbia subject headings:
Banks and banking--Europe--History--To 1500.
Christian heretics--Europe--History--To 1500.
Credit--Europe--History--To 1500.
Europe--Church history--600-1500.
Europe--Economic conditions--To 1492.
Jewish bankers--Europe--History--To 1500.
Lombards--Europe--History--To 1500.
Magic--Europe--History--To 1500.
Merchants--France--Cahors--History--To 1500.
Moneylenders--Europe--History--To 1500.
Usury--Religious aspects--Catholic Church--Europe--History--To 1500.
Harvard subject headings:
Commerce--History--Medieval, 500-1500
Finance--Europe--History--To 1500.
Lombards--History.
Usury--Europe--History--To 1500.
Princeton subject headings:
Church history--Middle Ages, 600-1500--France.
Lombards--France--History.
Merchants--France--History.
Occultism--France--History.
Usury--France--History.