Columbia subject headings:
Harvard subject headings:
Brittany (France)--Economic conditions--20th century.
Brittany (France)--Economic conditions--21st century.
Comité d'étude et de liaison des intérêts bretons (France)
Princeton subject headings:
Brittany (France)--Economic conditions--20th century.
Brittany (France)--Economic conditions--21st century.
Comité d'étude et de liaison des intérêts bretons (France)