Columbia subject headings:
Dowry--Europe--History--To 1500.
Money--Europe--History--To 1500.
Ransom--Europe--History--To 1500.
Harvard subject headings:
Civilization, Medieval--12th century
Civilization, Medieval--13th century
Dowry--History--To 1500.
Kidnapping--History--To 1500.
Marriages of royalty and nobility--History--To 1500.
Ransom--History--To 1500.
Princeton subject headings:
Dowry--Europe--History--To 1500.
Money--Europe--History--To 1500.
Ransom--Europe--History--To 1500.