Columbia subject headings:
Brittany (France)--History.
Castles--France--Brittany--History.
Nobility--France--Brittany--Genealogy.
Rohan family--Homes and haunts--France--Brittany.
Harvard subject headings:
Architecture, Domestic--France--Brittany.
Castles--France--Brittany.
Manors--France--Brittany.
Rohan family.
Princeton subject headings:
Brittany (France)--Description and travel.
Castles--France--Brittany.
Manors--France--Brittany.
Rohan family.