Columbia subject headings:
Clans--Belgium--Ghent--History.
Ghent (Belgium)--History.
Vendetta--Belgium--Ghent--History.
Harvard subject headings:
Clans--Belgium--Ghent--History.
Ghent (Belgium)--History.
Vendetta--Belgium--Ghent--History.
Princeton subject headings:
Ghent (Belgium)--History--14th century.