Columbia subject headings:
Nobility--France--Brittany--Economic conditions.
Nobility--France--Brittany--History.
Nobility--France--Brittany--Social conditions.
Harvard subject headings:
Nobility--France--Brittany--Economic conditions.
Nobility--France--Brittany--History.
Nobility--France--Brittany--Social conditions.
Princeton subject headings:
Brittany (France)--Social conditions.
Nobility--France--Brittany--History.
Social structure--France--Brittany--History.