Columbia subject headings:
Brittany (France)--Civilization--Congresses.
Brittany (France)--History--Congresses.
Harvard subject headings:
Brittany (France)--Civilization--Congresses.
Brittany (France)--Genealogy--Congresses.
Brittany (France)--Historiography--Congresses.
Brittany (France)--Relations--Europe--Congresses.
Europe--Relations--France--Brittany--Congresses.
Princeton subject headings:
Brittany (France)--Civilization--Congresses.
Brittany (France)--Genealogy--Congresses.
Brittany (France)--Historiography--Congresses.
Brittany (France)--Relations--Europe--Congresses.
Europe--Relations--France--Brittany--Congresses.