Columbia subject headings:
Brittany (France)--Religious life and customs.
Celts--France--Brittany--Religion.
Druids and druidism.
Monasticism and religious orders--France--Brittany.
Harvard subject headings:
Brittany (France)--Religious life and customs.
Celts--France--Brittany--Religion.
Druids and druidism
Monasticism and religious orders--France--Brittany.
Princeton subject headings: