Columbia subject headings:
Breton language--Etymology--Names.
Brittany (France)--History.
Names, Geographical--France--Brittany.
Harvard subject headings:
Breton language--Etymology--Names.
Brittany (France)--History.
Names, Geographical--France--Brittany.
Princeton subject headings:
Brittany (France)--History.
French language--Etymology--Names.
Names, Geographical--France--Brittany.