Columbia subject headings:
Harvard subject headings:
Aristocracy (Social class)--Europe, Northern--History.
Civilization, Medieval.
Hanseatic League--History.
Merchants--Belgium--Bruges--History.
Merchants--Europe, Northern--History.
Nobility--Europe, Northern--History.
Nobility--Travel--History.
Princeton subject headings:
Aristocracy (Social class)--Europe, Northern--History.
Civilization, Medieval.
Hanseatic League--History.
Merchants--Belgium--Bruges--History.
Merchants--Europe, Northern--History.
Nobility--Europe, Northern--History.