Columbia subject headings:
Archaeology, Medieval--Belgium--Congresses.
Archaeology, Medieval--France--Congresses.
Castles--Belgium--Congresses.
Castles--France--Congresses.
Cities and towns, Medieval--Belgium--Congresses.
Cities and towns, Medieval--France--Congresses.
Power (Social sciences)--Belgium--History--Congresses.
Power (Social sciences)--France--History--Congresses.
Harvard subject headings:
Elite (Social sciences)--History.
Feudalism--Economic aspects.
Feudalism--Political aspects.
Market towns--Economic aspects--History.
Middle Ages--Economic aspects.
Middle Ages--Political aspects.
Power (Social sciences)--History
Urban economics--History.
Princeton subject headings:
Elite (Social sciences)--History.
Feudalism--Economic aspects.
Feudalism--Political aspects.
Market towns--Economic aspects--History.
Middle Ages--Economic aspects.
Middle Ages--Political aspects.
Power (Social sciences)--History.
Urban economics--History.