Columbia subject headings:
Boüan family.
Brittany (France)--Genealogy.
Brittany (France)--History.
Harvard subject headings:
Boüan family.
Brittany (France)--Genealogy.
Brittany (France)--History.
Princeton subject headings:
Boüan family.
Brittany (France)--Genealogy.
Brittany (France)--History.