Columbia subject headings:
Benelux countries--History--To 1500--Congresses.
Europe, Central--History--To 1500--Congresses.
Identity (Philosophical concept)--Congresses.
Lorraine (France)--History--To 1500--Congresses.
Harvard subject headings:
Group identity--France--Lorraine--History--Congresses.
Lorraine (France)--History--Congresses.
Nationalism--France--Lorraine--History--Congresses.
Regionalism--France--Lorraine--History--Congresses.
Princeton subject headings: