Columbia subject headings:
Historiography--France--Normandy--History--Congresses.
Normandy (France)--Historiography--Congresses.
Normandy (France)--History--To 1515--Sources--Congresses.
Harvard subject headings:
Historiography--France--Normandy--History--Congresses.
Normandy (France)--Historiography--Congresses.
Normandy (France)--History--To 1515--Sources--Congresses.
Princeton subject headings:
Historiography--France--Normandy--History--Congresses.
Normandy (France)--Historiography--Congresses.
Normandy (France)--History--To 1515--Sources--Congresses.