Columbia subject headings:
Harvard subject headings:
Civilization, Medieval--Influence--Congresses.
Historiography--Europe--Congresses.
Historiography--Political aspects--Europe--Congresses.
Medievalism--Political aspects--Congresses.
Middle Ages--Historiography--Congresses
Princeton subject headings:
Civilization, Medieval--Influence--Congresses.
Historiography--Europe--Congresses.
Historiography--Political aspects--Europe--Congresses.
Medievalism--Political aspects--Congresses.
Middle Ages--Historiography--Congresses.